Laboratory Test Reference Guide

Laboratory Information

Test Name

Free Androgen Index

Constituent Tests

Test Information

Department

Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

2 days

Method

Calculation

Reference interval

Female: 20 - 49 yrs  =  <5.6

Female:  > 49 yrs  =  <3.6

Additional Information

If referred from a laboratory that does Testosterone, then do SHBG only, otherwise, TESTO, SHBG, FAI. FAI is a calculation only done on females. FAI’s require both a Testo and a SHBG as it is a calculated: FAI = Testosterone x 100/SHBG

Electronic Information

Registration Code

FAIP

HL7 mapping code

$FAIP