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Creatinine, serum

Test Code
CREAT


Preferred Specimen
Serum, 0.5 mL minimum


Transport Container
SST tube


Transport Temperature
Unspun specimen stable for 2 hours at room temp., separated serum stable for 4 days refrigerated.


Reference Range
See report for normal ranges. Critical Values: Adults >5mg/dL, 1st wk neonate >1.0 mg/dL, >1 wk neonate >1.5 mg/dL


Clinical Significance
Serum or blood creatinine levels in renal disease generally do not increase until renal function is substantially impaired. Useful in the evaluation of kidney function and in monitoring renal dialysis.




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.