OVERVIEW:
What is the free androgen index (FIA) lab test?
A free androgen index (FAI) lab test is a ratio obtained after a blood test that measures the level of testosterone is done.
Why is the free androgen index (FAI) lab test done?
A free androgen index (FAI) lab test is done in order to:
- Detect an abnormal androgen (hormones that play a role in reproductive activity) level.
What does a free androgen index (FAI) lab test measure?
A free androgen index (FAI) lab test is a blood test that measures total testosterone, free testosterone, and a protein called sex-hormone binding globulin. Testosterone is a hormone that regulates reproductive activity and development of sexual characteristics in males.
Are there any risks associated with this test?
There are no known risks associated with this test.
How should I prepare for this test?
There is no special preparation needed for this test.
What causes low androgen levels in females?
Possible causes of androgen deficiency in females include ageing and the surgical removal of ovaries.
How is androgen deficiency treated?
Androgen deficiency is treated with testosterone replacement therapy.
How do you know if you have high androgen levels?
Symptoms of high androgen levels include: Hirsutism (excess hair growth) Acne. Irregular periods. Absent periods (amenorrhea).
Normal free androgen index (FAI) in males is 300-150 ng/dL.
Normal free androgen index (FAI) in females is 20-70 ng/dL.
A free androgen index (FAI) lab test is done in order to:
- Detect an abnormal androgen (hormones that play a role in reproductive activity) level.
