Testosterone, total — lab reference
Some search terms matchedMorning collection preferred for men. Method and age matter; confirm unexpected low values.
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What’s searchable?Morning collection preferred for men. Method and age matter; confirm unexpected low values.
Estrogen, thyroid, liver disease, insulin resistance, age, and medications affect SHBG.
Female cycle-phase detail is on the next section. LC-MS/MS is preferred at low concentrations.
Stress, sleep, nipple stimulation, medications, pregnancy, and macroprolactin matter.
Ranges vary across the follicular phase and by assay.
Ask your clinician to read this result with cycle timing and ovulation status.
Method-dependent; LC-MS/MS is preferred at very low values.
Cycle day and exogenous progesterone timing matter.
Wide physiologic variation.
Single values are pulse- and timing-sensitive; confirm the clinical question.
Exogenous hormone use changes interpretation.
Ask your clinician to read this result with estradiol, age, and cycle day.
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