Hormones
Fertility
Health Checks
Women's Health Checks
Free Androgen Index (FAI) LIS Code: FAI
Measure free androgen index with a private blood test to assess hormone balance and androgen status.
Test Price
£37
Results in
4 hours
from sample receipt at lab
Sample
Blood
£37
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⏱ Results in 4 hours
· LIS: FAI
ℹ️ TAT begins when your sample is received at our lab.
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Phlebotomy Fee: £25
A one-off £25 phlebotomy fee applies per visit — this covers your blood draw regardless of how many tests you book in the same appointment.
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About this test
Free Androgen Index or FAI is a ratio used to determine abnormal androgen status in humans. The ratio is the total testosterone level divided by the sex hormone binding globulin (SHBG) level, and then multiplying by a constant, usually 100.
