Free Androgen Index

The Free Androgen Index is used to assess the ratio of free testosterone to sex hormone-binding globulin (SHBG). It helps diagnose conditions like polycystic ovary syndrome (PCOS) or hirsutism.

Also known asFai Free Androgen Index Free Androgen Index

Available via

Home Collection, Lab Visit

Contains

3 parameters

Earliest reports in

Same Day

Test details

Free Androgen Index Test in Bengaluru Overview

Preparations

No special preparations needed

Test included
Free Androgen Index includes 3 parameters

  • Testosterone, Total
  • Sex Hormone Binding Globulin
  • Free Androgen Index
Frequently Asked Questions

The FAI test measures the ratio of total testosterone to sex hormone-binding globulin (SHBG) to estimate free testosterone levels.

It is recommended for individuals with suspected polycystic ovary syndrome (PCOS), androgen excess, or infertility.

A blood sample is tested for testosterone and SHBG levels to calculate the FAI.

  • High FAI: Suggests androgen excess, commonly seen in PCOS.
  • Low FAI: Indicates reduced testosterone levels, possibly due to hypogonadism.

Yes, obesity, stress, and medications can influence androgen levels.

Test code

3245

Specimen vol. and vacutainer information
SpecimenVacutainerVolume
SerumYellow Vacutainer1 ML

Specimen stability information

Serum

Specimen rejection criteria

Test run frequency

Tuesday,Thursday,Saturday TIME - 11:00 , 19:00

Turn around time

Same Day

Performing locations

Department

  • Endocrinology

CPT and Loinc codes

Free Androgen Index

3400