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Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures the principal protein found on LDL and other atherogenic lipoprotein particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Measures the main circulating form used to assess vitamin D status.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an iron-storage protein that helps provide context on the body’s iron reserves.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an adrenal androgen that serves as a precursor to other sex hormones.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Provides an estimate of how much insulin the body is producing on its own.

Helps your clinician assess metabolic health and changes over time.

Measures cholesterol across the major lipoprotein fractions in the blood.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures or estimates cholesterol carried by very-low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares circulating triglycerides with HDL cholesterol as part of a broader metabolic review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares total cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures cortisol in a morning sample; collection time matters when interpreting the result.

Helps your clinician assess metabolic health and changes over time.

Measures the primary protein carried by HDL particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Uses lipid-panel values to calculate an estimated VLDL cholesterol level.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares LDL cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Translates the A1C result into an estimated average glucose value.

Helps your clinician assess metabolic health and changes over time.

Compares estimated LDL cholesterol with the number-related ApoB measure.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares an androgen with a stress-response hormone as part of a broader hormone review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares atherogenic-particle protein with the primary HDL-particle protein.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares two adrenal hormones to add context to stress-response and hormone patterns.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures a largely inherited LDL-like particle that contains apolipoprotein(a).

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovarian, testicular, and reproductive function.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovulation and sex-hormone production.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Compares two pituitary hormones to provide additional reproductive-hormone context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures the principal protein found on LDL and other atherogenic lipoprotein particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Measures the main circulating form used to assess vitamin D status.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an iron-storage protein that helps provide context on the body’s iron reserves.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an adrenal androgen that serves as a precursor to other sex hormones.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Provides an estimate of how much insulin the body is producing on its own.

Helps your clinician assess metabolic health and changes over time.

Measures cholesterol across the major lipoprotein fractions in the blood.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures or estimates cholesterol carried by very-low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares circulating triglycerides with HDL cholesterol as part of a broader metabolic review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares total cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures cortisol in a morning sample; collection time matters when interpreting the result.

Helps your clinician assess metabolic health and changes over time.

Measures the primary protein carried by HDL particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Uses lipid-panel values to calculate an estimated VLDL cholesterol level.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares LDL cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Translates the A1C result into an estimated average glucose value.

Helps your clinician assess metabolic health and changes over time.

Compares estimated LDL cholesterol with the number-related ApoB measure.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares atherogenic-particle protein with the primary HDL-particle protein.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares two adrenal hormones to add context to stress-response and hormone patterns.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures a largely inherited LDL-like particle that contains apolipoprotein(a).

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures nitrogen from urea, a waste product cleared through the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures the amount of circulating iron available in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the remaining capacity of transferrin to bind iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an enzyme associated with the liver, bile ducts, and bone.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the conjugated portion of bilirubin processed by the liver.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the total amount of bilirubin circulating in the blood.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the combined amount of albumin and globulin proteins in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Estimates the kidneys’ filtration rate using creatinine and patient factors.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Compares two measured liver-associated enzymes.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares two kidney-related waste measurements for additional context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Calculates the percentage of available iron-binding sites occupied by iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures a vitamin needed for red blood cell formation and neurological function.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures vitamin B9, which supports DNA synthesis and red blood cell formation.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the blood’s total capacity to bind and transport iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an enzyme associated with the liver and bile ducts.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures a pituitary hormone involved in lactation and reproductive signaling.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Calculates an estimate of available androgen using total testosterone and SHBG.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the unbound portion of the more biologically active thyroid hormone.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the unbound portion of the primary hormone produced by the thyroid.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Checks for antibodies directed at the thyroid peroxidase enzyme.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Checks for antibodies directed at the thyroid protein thyroglobulin.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Compares the pituitary thyroid signal with circulating free T4.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares the two measured free thyroid-hormone fractions.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovarian, testicular, and reproductive function.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovulation and sex-hormone production.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a protein produced by prostate tissue for clinician interpretation in context.

Supports an individualized prostate-health discussion; it is not a stand-alone diagnosis or a longevity score.

Estimates the percentage of total testosterone circulating in the free form.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares an androgen with a stress-response hormone as part of a broader hormone review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares two pituitary hormones to provide additional reproductive-hormone context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a steroid hormone involved in the menstrual cycle and pregnancy.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures bound and unbound testosterone using the female reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Reports a calculated estimate of total blood cholesterol; this is distinct from a directly measured total cholesterol result.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Reports cholesterol carried by low-density lipoproteins. The laboratory method determines whether this is measured or estimated.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures the principal protein found on LDL and other atherogenic lipoprotein particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares estimated LDL cholesterol with the number-related ApoB measure.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares LDL cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares circulating triglycerides with HDL cholesterol as part of a broader metabolic review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme associated with the liver and bile ducts.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme associated with the liver, bile ducts, and bone.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Provides an estimate of how much insulin the body is producing on its own.

Helps your clinician assess metabolic health and changes over time.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures nitrogen from urea, a waste product cleared through the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures the conjugated portion of bilirubin processed by the liver.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the combined amount of albumin and globulin proteins in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Compares two measured liver-associated enzymes.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares two kidney-related waste measurements for additional context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Translates the A1C result into an estimated average glucose value.

Helps your clinician assess metabolic health and changes over time.

Estimates the kidneys’ filtration rate using creatinine and patient factors.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Uses lipid-panel values to calculate an estimated VLDL cholesterol level.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures cholesterol across the major lipoprotein fractions in the blood.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Reports the average size of red blood cells in a capillary sample.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average amount of hemoglobin in each red blood cell.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average concentration of hemoglobin within red blood cells.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports how much red blood cells vary in size.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the fraction of capillary blood occupied by red blood cells.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the amount of the oxygen-carrying protein hemoglobin in capillary blood.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts white blood cells, which participate in immune responses.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts red blood cells, which carry oxygen to tissues.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a protein produced by prostate tissue for clinician interpretation in context.

Supports an individualized prostate-health discussion; it is not a stand-alone diagnosis or a longevity score.

Measures bound and unbound testosterone using the female reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a steroid hormone involved in the menstrual cycle and pregnancy.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures an adrenal androgen that serves as a precursor to other sex hormones.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in lactation and reproductive signaling.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovulation and sex-hormone production.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovarian, testicular, and reproductive function.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the unbound portion of the primary hormone produced by the thyroid.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the amount of circulating iron available in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an iron-storage protein that helps provide context on the body’s iron reserves.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures a steroid hormone involved in the menstrual cycle and pregnancy.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures bound and unbound testosterone using the female reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures an enzyme associated with the liver, bile ducts, and bone.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures nitrogen from urea, a waste product cleared through the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures the total amount of bilirubin circulating in the blood.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the combined amount of albumin and globulin proteins in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures a growth-hormone-related signal involved in tissue growth. Interpretation depends on age and clinical context; higher values are not necessarily better.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Reports the average amount of hemoglobin in each red blood cell.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the fraction of capillary blood occupied by red blood cells.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the amount of the oxygen-carrying protein hemoglobin in capillary blood.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average concentration of hemoglobin within red blood cells.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average size of red blood cells in a capillary sample.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average size of platelets, the blood cells involved in clotting.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts platelets, which help form blood clots and stop bleeding.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts red blood cells, which carry oxygen to tissues.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports how much red blood cells vary in size.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts white blood cells, which participate in immune responses.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures a protein produced by prostate tissue for clinician interpretation in context.

Supports an individualized prostate-health discussion; it is not a stand-alone diagnosis or a longevity score.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a steroid hormone involved in the menstrual cycle and pregnancy.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures bound and unbound testosterone using the female reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures the principal protein found on LDL and other atherogenic lipoprotein particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures cholesterol across the major lipoprotein fractions in the blood.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares LDL cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Uses lipid-panel values to calculate an estimated VLDL cholesterol level.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares total cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures a largely inherited LDL-like particle that contains apolipoprotein(a).

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures a hormone involved in the stress response, metabolism, blood pressure, and immune regulation.

Helps your clinician assess metabolic health and changes over time.

Provides an estimate of how much insulin the body is producing on its own.

Helps your clinician assess metabolic health and changes over time.

Compares circulating triglycerides with HDL cholesterol as part of a broader metabolic review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Estimates the kidneys’ filtration rate using creatinine and patient factors.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures nitrogen from urea, a waste product cleared through the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Compares two kidney-related waste measurements for additional context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme associated with the liver, bile ducts, and bone.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the conjugated portion of bilirubin processed by the liver.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the total amount of bilirubin circulating in the blood.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Compares two measured liver-associated enzymes.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the combined amount of albumin and globulin proteins in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in lactation and reproductive signaling.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovulation and sex-hormone production.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovarian, testicular, and reproductive function.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures an adrenal androgen that serves as a precursor to other sex hormones.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Compares two adrenal hormones to add context to stress-response and hormone patterns.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures a hormone involved in the stress response, metabolism, blood pressure, and immune regulation.

Helps your clinician assess metabolic health and changes over time.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Calculates an estimate of available androgen using total testosterone and SHBG.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Estimates the percentage of total testosterone circulating in the free form.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a protein produced by prostate tissue for clinician interpretation in context.

Supports an individualized prostate-health discussion; it is not a stand-alone diagnosis or a longevity score.

Calculates an estimate of available androgen using total testosterone and SHBG.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a steroid hormone involved in the menstrual cycle and pregnancy.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures bound and unbound testosterone using the female reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Compares two pituitary hormones to provide additional reproductive-hormone context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the unbound portion of the more biologically active thyroid hormone.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the unbound portion of the primary hormone produced by the thyroid.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Compares the two measured free thyroid-hormone fractions.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Checks for antibodies directed at the thyroid peroxidase enzyme.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Checks for antibodies directed at the thyroid protein thyroglobulin.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Compares the pituitary thyroid signal with circulating free T4.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares LDL cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Compares circulating triglycerides with HDL cholesterol as part of a broader metabolic review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a hormone involved in the stress response, metabolism, blood pressure, and immune regulation.

Helps your clinician assess metabolic health and changes over time.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures an iron-storage protein that helps provide context on the body’s iron reserves.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Compares two measured liver-associated enzymes.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Estimates the kidneys’ filtration rate using creatinine and patient factors.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Translates the A1C result into an estimated average glucose value.

Helps your clinician assess metabolic health and changes over time.

Provides an estimate of how much insulin the body is producing on its own.

Helps your clinician assess metabolic health and changes over time.

Compares circulating triglycerides with HDL cholesterol as part of a broader metabolic review.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures a hormone involved in the stress response, metabolism, blood pressure, and immune regulation.

Helps your clinician assess metabolic health and changes over time.

Measures cholesterol across the major lipoprotein fractions in the blood.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares LDL cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Compares total cholesterol with HDL cholesterol.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the principal protein found on LDL and other atherogenic lipoprotein particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Compares estimated LDL cholesterol with the number-related ApoB measure.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Uses lipid-panel values to calculate an estimated VLDL cholesterol level.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Compares two measured liver-associated enzymes.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures an enzyme associated with the liver, bile ducts, and bone.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the total amount of bilirubin circulating in the blood.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the conjugated portion of bilirubin processed by the liver.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme associated with the liver and bile ducts.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures nitrogen from urea, a waste product cleared through the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Estimates the kidneys’ filtration rate using creatinine and patient factors.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Compares two kidney-related waste measurements for additional context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures the unbound portion of the primary hormone produced by the thyroid.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Compares the pituitary thyroid signal with circulating free T4.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the main circulating form used to assess vitamin D status.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures a vitamin needed for red blood cell formation and neurological function.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures vitamin B9, which supports DNA synthesis and red blood cell formation.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures an iron-storage protein that helps provide context on the body’s iron reserves.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the amount of circulating iron available in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the remaining capacity of transferrin to bind iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the blood’s total capacity to bind and transport iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Calculates the percentage of available iron-binding sites occupied by iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the combined amount of albumin and globulin proteins in the blood.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Reports an estimated red-blood-cell fraction of capillary blood. This calculated value is distinct from the blood-count hematocrit entry.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports hemoglobin from capillary blood using the provider’s HbA1c method. This is a different catalog entry from the blood-count hemoglobin measurement.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Estimates the percentage of total testosterone circulating in the free form.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures an enzyme found mainly in liver cells.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures an enzyme found in the liver and several other tissues.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Compares two measured liver-associated enzymes.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures the total amount of bilirubin circulating in the blood.

Adds context to liver health and medication monitoring as part of maintaining health over time.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures the amount of glucose, a sugar used for energy, in the blood.

Helps assess blood sugar regulation alongside collection conditions, symptoms and other test results.

Measures nitrogen from urea, a waste product cleared through the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Measures a muscle-metabolism waste product filtered by the kidneys.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Estimates the kidneys’ filtration rate using creatinine and patient factors.

Helps assess kidney health, which matters for fluid balance and safe medication use as you age.

Compares two kidney-related waste measurements for additional context.

A calculated comparison for clinical context. Its usefulness depends on the underlying tests and clinical situation; it is not a validated measure of lifespan.

Measures a largely inherited LDL-like particle that contains apolipoprotein(a).

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures the blood’s total capacity to bind and transport iron.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Reflects average blood-glucose exposure over roughly the previous two to three months.

Helps your clinician assess metabolic health and changes over time.

Measures the main circulating form used to assess vitamin D status.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures the principal protein found on LDL and other atherogenic lipoprotein particles.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Estimates the cholesterol carried by low-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures cholesterol across the major lipoprotein fractions in the blood.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures an iron-storage protein that helps provide context on the body’s iron reserves.

Helps assess nutritional status relevant to blood, nerve, and bone health over time.

Measures cholesterol carried by high-density lipoproteins.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures low concentrations of a liver-produced protein that rises with inflammation.

Provides context about inflammation, which has many causes; it does not diagnose a condition on its own.

Estimates the portion of testosterone not tightly bound to carrier proteins.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures the pituitary signal that regulates thyroid-hormone production.

Adds context to thyroid function, which can affect energy, heart rhythm, and bone health during aging.

Measures circulating fats used by the body for energy storage.

Helps put cardiovascular risk in context as you age; interpretation uses the complete lipid profile and your history.

Measures a major blood protein that helps provide context on fluid balance, liver function, and nutrition.

Helps your clinician assess metabolic health and changes over time.

Measures the protein that binds and transports testosterone and estradiol.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures bound and unbound testosterone using the male reference context.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a primary form of estrogen using a method suited to lower concentration ranges.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Measures a pituitary hormone involved in ovarian, testicular, and reproductive function.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.

Reports the average size of red blood cells in a capillary sample.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average amount of hemoglobin in each red blood cell.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the average concentration of hemoglobin within red blood cells.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports how much red blood cells vary in size.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the fraction of capillary blood occupied by red blood cells.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Reports the amount of the oxygen-carrying protein hemoglobin in capillary blood.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts white blood cells, which participate in immune responses.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Counts red blood cells, which carry oxygen to tissues.

Helps assess blood-cell health and changes during treatment; interpretation uses the other blood-count results.

Measures a growth-hormone-related signal involved in tissue growth. Interpretation depends on age and clinical context; higher values are not necessarily better.

Adds context to hormone changes and treatment monitoring; age, symptoms, medicines, and timing affect interpretation.