What is Testosterone/SHBG ratio?
your effective androgen level
The ratio of total testosterone to SHBG gives an estimated free, biologically active testosterone level.
The ratio is calculated and used to support evaluation of androgen deficiency or excess.
Test facts
- Sample
- Serum
- Fasting
- No fasting needed
- Turnaround
- 2 days
What does low Testosterone/SHBG ratio mean?
A low ratio suggests functional androgen deficiency.
What does high Testosterone/SHBG ratio mean?
A high ratio suggests androgen excess, which in women can be consistent with PCOS.
Panels that measure Testosterone/SHBG ratio
- Testosterone Check
More markers in the same area
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This is general information about the marker, not an assessment of your values and not medical advice. Last updated: May 2026.