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.
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



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

82575

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
* 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
Creatinine Clearance, Urine