Days Set Up
Daily
Analytic Time

8 hours

MiChart Code
Creatinine Clearance, 24 HR Urine (Please also order LAB712)
Soft Order Code
CRCL

Test Updated:

Synonyms

Creat Clearance
CRCL

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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.

Order Kits and Supplies

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

Test FAQ

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Test Overview

Test Methodology

Calculated

Test Usage

To assess glomerular filtration rate

Reference Range

80 - 134 mL/min.

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

Specimen Requirements

Collection Instructions

Collect blood in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Collect 24 hour urine specimen with no preservative. Aliquot 10 ml into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Both a 24 hr urine creatinine and a serum creatinine must be ordered to obtain a calculated clearance. The serum creatinine must be drawn during the urine collection period. Note the patient's height and weight on the requisition for accurate calculation.

Yellow Top Tube
Normal Volume
0.5 mL serum and 5 mL aliquot of 24 hour urine collection
Minimum Volume
0.25 mL serum and 2 mL aliquot of 24 hour urine collection

Billing Information

CPT Code
82575
Pro Fee Code
 
Insurance Auth Info
 
LOINC
 

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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.