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CORTISOL, URINARY FREE
Number 1
CPT Code 82530
Alias URINARY, CORTISOL
Specimen Container 24Hr Urine Container
Specimen Type 24Hr Urine without preservative
Turn Around Time
Days Performed
Reference Range Contact Laboratory
Alternate Specimen 24Hr Urine with boric acid or HCl preservative
Volume 100 mL Aliquot
Stability Ambient 14 Days
Stability Refrigerated 14 Days
Stability Frozen 14 Days
Patient Preparation
Void at 8AM and discard specimen. Collect all urine for next 24 hours, including 8AM void the next morning.
Methodology
LC/MS-MS
Limitations
Not useful in the evaluation of adrenal insufficiency (AI). Results in AI overlap with normal ranges. Increased in pregnancy and with oral contraceptives.
Rejection Criteria
Additional Instructions
Performing Laboratory Reference Laboratory
TagsCORTISOL, FREE, 24 HOUR URINE