Cortisol, Free, 24-Hour Urine with Creatinine, LC/MS/MS QCOR24

Method(s) Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Specimen Required
Collect

24-hour urine or random urine. Also acceptable: 25 mL 6N HCl, 10 mL concentrated glacial acetic acid, 10 g boric acid.

Transport

2 mL urine refrigerated from a 24-hour collection (no preservatives) (Min: 0.5 mL).

* Collection Instructions *

  • Record 24-hour urine volume on test requisition and urine vial.
  • Reference ranges do not apply to random urine samples.
Stability

Ambient: 14 days

Refrigerated: 21 days

Frozen: 90 days

Schedule Mon-Fri
CPTCode 82530
Notes Performing Laboratory-Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
Reference Interval
 
Coritsol, Free, 24-Hr Urine 
Adult4.0-50.0
Pediatric 
1-4 Years0.9-8.2 mcg/24 hrs
5-9 Years1.0-30.0 mcg/24 hrs
10-13 Years1.0-45.0 mcg/24 hrs
14-17 Years3.0-55.0 mcg/24 hrs
Creatinine, 24-Hour Urine 
Less than 3 YearsNot established
3-8 Years0.10-0.80 g/24 hours
9-12 Years0.20-1.40 g/24 hours
13-17 Years0.40-1.90 g/24 hours
Greater than 17 Years0.50-2.15 g/24 hours
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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