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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
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
24-hour urine. Specimen must be refrigerated during collection. AND plasma separator tube or serum separator tube, collected within 48 hours of initiating urine collection. 
Specimen Preparation
Transfer one 3 mL aliquot from a well-mixed 24-hour collection (Min: 0.5 mL) AND 1 mL serum or plasma (Min: 0.2 mL) to individual ARUP Standard Transport Tubes. Record total volume and collection time interval on transport tube and test request form. 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Random urine collections. 
Remarks
 
Stability
Serum: (after separation from cells) Ambient: 1 week; Refrigerated: 1 week; Frozen: 3 months
Urine
: Ambient: 2 days; Refrigerated: 6 days; Frozen: 6 months. 
Reference Interval
By report
Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
0020207Creatinine, Urine - per volume2161-8
0020227Creatinine Clearance - per volume2164-2
0020235Creatinine, Serum - per volume2160-0
0097110Total Volume19153-6
0097111Hours Collected30211-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Creatinine Clearance, Serum & Urine