Creatinine Clearance, Urine
0020474
Ordering Recommendation
Mnemonic
CRTCL
Methodology
Quantitative Spectrophotometry/Enzymatic
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
- Patient Preparation
- Collect
- 24-hour urine. Specimen must be refrigerated during collection. AND Plasma Separator Tube (PST) or Serum Separator Tube (SST), collected within 24 hours prior to the beginning of the 24- hour urine collection or within 24 hours after the urine collection is completed.
- Specimen Preparation
- Transfer one 3 mL aliquot from a well-mixed 24-hour urine collection AND 1 mL serum or plasma to individual ARUP Standard Transport Tubes (Min: 0.5 mL urine and 0.2 mL serum or plasma.
- Storage/Transport Temperature
- Refrigerated.
- Unacceptable Conditions
- Random urine collections.
- Remarks
- Record total volume and collection time interval on transport tube and test request form.
- Stability
- Serum: (after separation from cells) Ambient: 1 week; Refrigerated: 1 week; Frozen: 3 months
Reference Interval
By report
Interpretive Data
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0020207 | Creatinine, Urine - per volume | 2161-8 |
0020227 | Creatinine Clearance - per volume | 2164-2 |
0020235 | Creatinine, Serum - per volume | 2160-0 |
0097110 | Total Volume | 19153-6 |
0097111 | Hours Collected | 30211-7 |
Aliases
- Creatinine Clearance, Serum & Urine