UR 24Hr Creatinine (TCR)

Department: Chemistry
Test Synonym(s): LAB712, TCR, Creatinine 24 Hour Urine, U24TCR
CPT Codes: 82570
Methodology: Kinetic Alkaline Picrate
Reference Range: 0-150yrs: 0.7-2.5 g/day
Tube Type: 24 hour urine container-plain (no additive)
Specimen: 24 hour urine - total 24 hour collection
Alternate Specimen: 24 hour urine container-Pink/HCl acceptable with Medical Director approval
Pediatric Requirements: 24 hour urine
Volume: 1 mL from 24 hour collection
Minimum Volume: 24 hour urine collection
Temperature: Refrigerated
Stability: Room temperature: 2 days; Refrigerated: 6 days; Frozen: 6 months
Days Performed: Daily
Times Performed: Continuous
Significance: Stat: 1 hour, routine: 2 hours
Special Instructions: Refrigerate during collection - label with beginning and ending collection times and dates - indicate total volume if an aliqout is sent. Mix sepcimen.

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