Cortisol Free, Random Urine CORTRU

Synonyms
Allscripts (AEHR) Order Name	Cortisol Free, Random Urine
Sunrise Clinical Manager (SCM) Order Name	Cortisol Free, Random Urine
EPIC Order Name	Random Urine, Cortisol Free
Clinical Info	Investigating suspected Cushing syndrome (hypercortisolism), when a 24-hour collection is prohibitive (ie, pediatric patients). Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol to cortisone ratio) Diagnosis of pseudohyperaldosteronism due to excessive licorice consumption This test has limited usefulness in the evaluation of adrenal insufficiency. This test is not useful for evaluation of hypocorticalism.
Specimen Type	Urine
Specimen Volume	5 mL Random Urine ( 3 mL min)
Container	Urine-Yellow Top
Collection Instructions	Container/Tube: Plastic, 10-mL urine tube Specimen : 5 mL Random Urine ( 3 mL min) Transport Temperature: Refrigerated Stability: 7 Days Room Temperature 14 Days Refrigerated 28 Days Frozen Frozen (preferred) 28 days Refrigerated 14 days Ambient 7 days
Transport Instructions	Refrigerated
Specimen Stability	7 Days Room Temperature 14 Days Refrigerated 28 Days Frozen Frozen (preferred) 28 days Refrigerated 14 days Ambient 7 days
Methodology	RCTU: Enzymatic Colorimetric Assay CRAN: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Days Performed	Monday through Friday; 4 p.m.
Performing Laboratories	Mayo Medical Laboratories
CPT	82530 LOINC Code 44309-3
PDM	5589039
Result Interpretation Males 0-2 years: 3.0-120 mcg/g creatinine 3-8 years: 2.2-89 mcg/g creatinine 9-12 years: 1.4-56 mcg/g creatinine 13-17 years: 1.0-42 mcg/g creatinine ≥18 years: 1.0-119 mcg/g creatinine Females 0-2
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