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Testosterone, Free
The unbound fraction of circulating testosterone; interpreted alongside total testosterone, SHBG, symptoms, age, sex and sampling conditions.
What is measured?
The level, concentration or activity of this biomarker measured in the relevant blood sample.
What the result represents?
Aden's range
What a raised or a low result can indicate
How Aden reads it as part of a system?
Aden reads this result alongside related sex hormones, SHBG, LH, FSH, prolactin, thyroid markers and your previous measurements. It is treated as one part of the wider hormonal picture, not as a diagnosis on its own.
What changes between tests?
Which related markers give it context?
related sex hormones, SHBG, LH, FSH, prolactin, thyroid markers
How to get this tested?
Evidence
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