A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Cortisol, Free and Cortisone, 24-Hour Urine : 1016748
Test CodeUCCF24 or 1016748
CPT Codes
82530, 82542, 82570
Includes
Includes Creatinine.
Instructions
24-hour urine. Refrigerate 24-hour specimen during collection.
Transport Container
Transport one 10 mL aliquot of urine from a well-mixed 24-hour collection. (Min: 2.6 mL) Record total volume on transport container and test request form. 24-hour Urine preserved with 10 grams of Boric acid will be accepted but not required.
Transport Temperature
Refrigerated.
Specimen Stability
Ambient: 14 days; Refrigerated: 21 days; Frozen: 90 days
Methodology
Liquid Chromatography, Tandem Mass Spectometry
Setup Schedule
Monday - Friday
Report Available
2-6 days (From receipt at performing laboratory)
Reference Range
Cortisol, Free, Urine: Adult: 4.0-50.0 µg/24 hrs Pediatric: 1-4 Years: 0.9-8.2 µg/24 hrs 5-9 Years: 1.0-30.0 µg/24 hrs 10-13 Years: 1.0-45.0 µg/24 hrs 14-17 Years: 3.0-55.0 µg/24 hrs Cortisone, 24 hr Urine: Adults: 23-195 µg/24 hrs Creatinine, 24-Hour Urine < 3 years Not established 3-8 Years 0.10-0.80 g/24 h 9-12 Years 0.20-1.40 g/24 h 13-17 Years 0.40-1.90 g/24 h > 17 years 0.50-2.15 g/24 h |
Clinical Significance
Urinary free cortisol is useful in the detection of patients with Cushing's syndrome for whom free cortisol concentrations are elevated.
Performing Laboratory
Quest Diagnostics