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Free Urine Cortisol
Aka: Free Urine Cortisol, 24-hour Urinary free cortisol level, 24 hour Urine Cortisol, Urine 17-Ketosteroid excretion, Urine 17-Hydroxysteroid excretion
- Indication
- Screening for Cushing's Disease
- Interpretation: Normal
- Free Urine Cortisol: 10-84 mcg/24 hours (up to 110 mcg/24 hours in some reference ranges)
- Interpretation: Increased (especially if 4x normal range)
- See Serum Cortisol
- Cushing's Disease
- ACTH-Secreting Pituitary Adenoma
- Estrogen
- Precautions
- Depends on complete and accurate urine collection