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Creatinine Clearance, Urine

Test Code
CRCL


CPT Codes
81050, 82575

Includes
Creatinine;Glomerular Filtration Rate, Estimated.


Preferred Specimen
1.0 mL serum , 10 mL urine from a 24-hour urine collection


Instructions
Both serum and urine are required for this test. Serum specimen should be drawn during the 24-hour period of urine collection with no preservative. Note: Label specimen appropriately (Serum). Urine Submit


Transport Container
Serum separator tube/Gold top tube/24 hr Urine container


Transport Temperature
Refrigerate


Methodology
Jaffe Reaction

Reference Range
71-151 mL/min/24 hours


Clinical Significance
Creatinine clearance measures the glomerular filtration rate.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.