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Endocrinology

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Free Androgen Index (FAI)

Calculates the free androgen index for hormonal assessment.

Formula:
FAI = Total Testosterone SHBG x 100
Interpretation:

A blood test calculation used to estimate biologically active, unbound testosterone. FAI has no universal cutoff and should be interpreted using the laboratory reference range and clinical context.

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Note: MedicalC is NOT medical software and does NOT issue diagnoses or treatment recommendations. The calculators are for educational and informational purposes, use published medical formulas, and are not a substitute for medical consultation. Results should be interpreted by professionals.Read the full disclaimer.