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Test Code RCTUR Creatinine, Random, Urine

Reporting Name

Creatinine, Random, U

Useful For

Calculation of creatinine clearance, a measure of renal function, when used in conjunction with serum creatinine

 

Normalization of urinary analytes by creatinine concentration to account for the variation in urinary concentrations between subjects

Method Name

Enzymatic Colorimetric Assay

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 6 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 30 days
  Frozen  30 days
  Ambient  14 days

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

≥18 years old: 16-326 mg/dL

 

Reference values have not been established for patients who are <18 years of age.

Day(s) Performed

Monday through Sunday

CPT Code Information

82570

LOINC Code Information

Test ID Test Order Name Order LOINC Value
RCTUR Creatinine, Random, U 2161-8

 

Result ID Test Result Name Result LOINC Value
RCTUR Creatinine, Random, U 2161-8

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.

Report Available

1 to 3 days