ARUP's Laboratory Test Directory
| 0020474: Creatinine Clearance, Urine |
| Test Mnemonic: CRTCL | |
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Methodology: Spectrophotometry
Performed: Sun-Sat Reported: Sun-Sat |
| Specimen Required: | |
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Collect: 24-hour urine. Specimen must be refrigerated during collection. Also, one 4 mL PST or SST, collected within 24 hours of urine collection start or finish. (Min:0.2 mL)
Transport: 5 mL aliquot from a well-mixed 24-hour collection (Min: 0.2 mL) and 1 mL plasma or serum. Both specimens should be transported at 2-8°C. (Min: 0.2 mL) Submit both specimens in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.2 mL aliquot from a well-mixed 24-hour collection and 0.2 mL plasma or serum at 2-8°C. Remarks: Record total volume and collection time interval on transport tube and test request form. Unacceptable Conditions: Random urine collections. Stability: Ambient: 4 hours; Refrigerated: 4 days; Frozen: 6 months |
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| Reference Interval: |
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Male: 85-125 mL/min Female: 75-115 mL/min |
| CPT Code(s): | |
| 82575 |