Medical Diagnosis - Free Androgen Index (FAI)

Medical Diagnosis is a private clinical pathology laboratory based in North London, close to Wembley Stadium, that provides a wide range of direct laboratory-to-client services to both healthcare professionals and the public.

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Free Androgen Index (FAI)

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.

Samples required: 1
  • Blood Sample
Results in: 4 hours

There is an additional £15 phlebotomy fee for every donation.