Days Set Up
Daily
Analytic Time

8 hours

MiChart Code
Creatinine, 24 HR Urine
Soft Order Code
CREAQ

Test Updated:

Synonyms
 

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Colorimetric Rate

Test Usage

Renal function test.

Reference Range

1.0 - 1.8 g/24 hrs (8.8-15.9 mMol/24 hrs). Random urine collections are reported in units of mg/dL, for which reference values are not established.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

24 hours urine collection. Instruct the patient to void at 8:00am and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24 hour collection period, i.e., 8:00am the next morning. Screw the lid on securely. Transport the specimen promptly to the laboratory. Refrigerate during collection. Any test requiring a 24 hour urine collection with no preservative may also be run on this specimen.

Collection Offsite

Collect 24 hour urine specimen with no preservative. Aliquot 5 mL into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable.

24-hour Urine Jug
Normal Volume
5 mL aliquot of 24 hour urine collection or 2 mL aliquot of random urine collection.
Minimum Volume
2 mL aliquot of 24 hour urine collection or 1 mL aliquot of random urine collection.

Billing Information

CPT Code
82570
Pro Fee Code
 
LOINC
2161-8 CREATU, 2162-6 CREATQ

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.