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Free Androgen Index

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The Free Androgen Index is included in test packages, which you can buy at a lower price.

The free androgen index is an estimate of physiologically active testosterone. It is calculated as a molar ratio of total testosterone to sex hormone binding globulin (SHBG). Example formula : (Total Testosterone/SHGB)x100

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Awaiting result:

One day

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Collect material:

Blood

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Prepare:

Learn more
Purpose of the test

The primary objective of the Free Androgen Index (FAI) test is to measure and assess the levels of androgens, specifically testosterone, in the blood. This test provides a ratio that compares the total testosterone to a protein called sex-hormone binding globulin (SHBG). By doing so, it helps in determining whether an individual has abnormal androgen levels, which can be indicative of various health conditions or hormonal imbalances.

Who Should Get Tested

Both men and women can benefit from the FAI test. Individuals showing signs of abnormal androgen levels are prime candidates. For women, symptoms like excessive body or facial hair, fatigue, bone mass loss, or decreased sexual interest might indicate the need for testing. In men, the test is relevant if there are signs of delayed puberty in teens or symptoms like muscle strength loss, breast development, or diminished sexual interest in adults.

Blood Test Preparation Guidelines
Time of day
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It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.
Fasting
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It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.
Stay hydrated
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Drinking water prior to testing can help with sample collection.
Other factors
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Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.
Medications and supplements:
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Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.
Biotin supplements:
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High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.
Interpreting Test Results

Test results can vary based on age, gender, health history, and other factors. It's essential to understand that results falling outside the "normal" range might not necessarily indicate a problem. For instance, males typically have testosterone levels ranging from 270 to 1,070 ng/dL, while females have levels between 15 to 70 ng/dL. Any significant deviations from these ranges might warrant further investigation. It's always best to consult with a healthcare provider to interpret the results in the context of individual health and symptoms.

AI-Powered Insights and Expert Validation
Advanced AI Interpretation
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Expert Doctor Confirmation
While our AI provides deep analytical insights, the human touch remains indispensable. Every AI-generated interpretation is meticulously reviewed by experienced medical professionals, ensuring a harmonious blend of advanced technology and expert clinical judgment. This dual-layer approach guarantees that the insights provided are not only technologically sophisticated but also clinically relevant. Our medical experts ensure that the AI's interpretations align with current medical standards and practices, adding a layer of validation that only seasoned healthcare professionals can provide. This process reinforces the reliability of the test results, offering peace of mind to both patients and healthcare providers.
Language Model and Trusted Sources
At the core of Diagu's AI system is an advanced language model, engineered to transform complex medical data into clear, comprehensible, and informative descriptions. This model is adept at articulating detailed test analyses in a way that is accessible to both healthcare professionals and patients. The model's development involved the meticulous processing of high-quality sources, including reputable medical websites, renowned medical textbooks, and peer-reviewed research papers. This ensures that the language used in test descriptions is not only accurate and informative but also up-to-date with the latest medical findings and trends. By leveraging this rich tapestry of trusted sources, our AI system provides a deeper understanding of each test, fostering informed decision-making and enhanced patient care.