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Creatinine Clearance

Test Code
CRCL


Alias/See Also
CrCl 24 Hour Urine Calc, 24 hr Creatinine Clearance


Includes
Height, Weight, Urine Creatinine Random, Creatinine, Creatinine Clearance


Preferred Specimen
1.0 mL plasma (0.5 mL minimum) AND Total Urine void during 24 hrs


Instructions
Refrigerate urine during collection. Record duration of collection on requisition and container. Include patient height and weight.


Transport Container
PST (light green top) AND 24hr urine container. Red top and SST also acceptable


Reference Range
80-120 ml/min/m2


Clinical Significance
Renal clearance is a measure of kidney functional capacity. Increased values can be found in acromegaly and burns. Decreased values may be found in acute and chronic pyelonephritis, glomerulonephritis, extrahepatic biliary obstruction, cirrhosis, polycystic kidney disease and renovascular hypertension.




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.