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Test Code CREA 24U Creatinine, 24 Hour, Urine

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       
General Hospital Laboratory 304-388-6244
Teays Valley Hospital Laboratory 304-757-1770

Specimen Requirements

Preferred specimen- Entire 24-hour urine collection in a urine container without preservative

Acceptable specimen-Entire 24-hour urine collection in a urine container with 6NHCL or boric acid

Refrigerate specimen during collection and send specimen on ice.

Start and end times of collection are required on request form for processing.

Specimen Rejection

  • Improperly labeled, collected, stored, and transported

24-Hour Urine Collection Instructions

24 Hour Urine Collection

Storage and Stability

Room temperature 20-25oC 2 days
Refrigerated 4-8oC 6 days
Frozen <-20oC Not specified

Reference Values

Male 600-2500 mg/24 hrs
Female 600-1500 mg/24 hrs

Methodology

Photometric modified Jaffe priniciple

Days Test Set Up and Turnaround

Monday through Sunday, Continuously 

AM Collection Expected by 9AM same day
Routine Expected within 24 hrs
Stat Expected within 1 hr
Timed Expected results are test dependant

CPT Coding

82570

81050