Free Androgen Index

Description

Testosterone – Total, SHBG, FAI Lab Test

Overview
The Testosterone – Total, SHBG, FAI test is a comprehensive hormone panel designed to assess testosterone levels and their bioavailability in the body. This test measures total testosterone, sex hormone-binding globulin (SHBG), and the free androgen index (FAI) to provide a complete picture of hormonal balance. It is ideal for individuals experiencing symptoms of hormonal imbalance, those undergoing hormone therapy, or anyone looking to monitor their testosterone levels for overall health and well-being.

Test Purpose
This test is essential for diagnosing and monitoring conditions related to testosterone imbalance, such as hypogonadism, polycystic ovary syndrome (PCOS), infertility, and androgen disorders. It helps detect low or high testosterone levels, assess the impact of SHBG on hormone availability, and evaluate overall androgen activity. Early detection of hormonal imbalances can aid in timely treatment and prevent complications.

Symptoms That Indicate This Test
– Fatigue and low energy levels
– Decreased libido or sexual dysfunction
– Unexplained weight gain or loss
– Mood swings, depression, or anxiety
– Hair thinning or excessive hair growth
– Irregular menstrual cycles in women
– Reduced muscle mass and strength
– Difficulty concentrating or memory issues
– Increased body fat, particularly around the abdomen

Natural Production and Regulation
Testosterone is primarily produced in the testes in men and the ovaries in women, with a small amount also produced by the adrenal glands. SHBG is a protein that binds to testosterone, regulating its availability in the bloodstream. The free androgen index (FAI) calculates the ratio of free testosterone to SHBG, providing insight into how much testosterone is biologically active. Factors such as age, diet, stress, and medical conditions can influence testosterone production and SHBG levels.

Risks of Untreated Conditions
Ignoring abnormal testosterone levels can lead to serious health issues. Low testosterone may result in osteoporosis, cardiovascular disease, metabolic disorders, and reduced quality of life. High testosterone levels, particularly in women, can contribute to PCOS, insulin resistance, and fertility problems. Proper diagnosis and management are crucial to maintaining hormonal balance and overall health.

Test Preparation Instructions
– A blood sample is required for this test
– Fasting for 8-12 hours before the test may be recommended for accurate results
– Avoid heavy exercise or strenuous activity 24 hours before testing
– Inform your healthcare provider about any medications or supplements you are taking, as they may affect hormone levels
– The test is best performed in the morning when testosterone levels are at their peak

Test Details
– Sample type: Blood
– Test method: Immunoassay or liquid chromatography-mass spectrometry (LC-MS)
– Turnaround time: Typically 1-3 business days
– High accuracy and reliability for hormone level assessment

General Package
This test falls under the category of hormone tests and is relevant for individuals concerned with general health, reproductive health, and metabolic conditions. It is suitable for both men and women experiencing symptoms of hormonal imbalance.

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