Thyroperoxidase antibody (TPO Ab) — lab reference
The test method matters. Positive result supports thyroid autoimmunity but does not determine treatment alone.
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What’s searchable?Thyroglobulin antibody (Tg Ab) — lab reference
The test method matters. Also affects thyroglobulin tumor-marker interpretation.
TSI / TRAb — lab reference
Ask your clinician to use the exact assay cutoff. Helpful in selected Graves disease questions.
Thyroglobulin — lab reference
This is not a general thyroid wellness target. It may be used for follow-up after certain thyroid conditions, alongside thyroid anatomy and antibody results.
Testosterone, total — lab reference
Morning collection preferred for men. Method and age matter; confirm unexpected low values.
Testosterone, free — lab reference
Mayo example age 20-24: M 5.25-20.7; F <0.13-1.08. Declines with age and is method-dependent.
Testosterone, bioavailable — lab reference
Depends on total testosterone, SHBG, albumin, calculation, and assay.
Sex hormone-binding globulin (SHBG) — lab reference
Estrogen, thyroid, liver disease, insulin resistance, age, and medications affect SHBG.
Estradiol — lab reference
Female cycle-phase detail is on the next section. LC-MS/MS is preferred at low concentrations.
Progesterone — lab reference
Female phase detail is on the next section. Exogenous progesterone route/timing matters.
Luteinizing hormone (LH) — lab reference
Ask your clinician to read this result with testosterone or estradiol, FSH, cycle phase, and pituitary context.
Follicle-stimulating hormone (FSH) — lab reference
Ask your clinician to read this result with age, ovarian status, testosterone/estradiol, and pituitary context.
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