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Creatinine order for Clearance

Test Code
LAB1765


Instructions
"Routine venipuncture Collect one 4.5ml light green top (heparin) tube Red/gold top serum separator tube "


Specimen Stability
"Refrigerate, stable 48 hours; stable 8 hours at room temperature; stable >48 hours if frozen. Send to the lab within 2 hours of collection"


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Insufficient quantity; gross hemolysis; failure to follow stability requirements


Methodology
Two point rate:The difference in reflection density is proportional to the concentration of creatinine present in the sample.

Setup Schedule
Daily


Report Available
Within 24 Hours


Reference Range
" Test Gender Age Reference Range Units CREATININE Female Any 0.52-1.04 MG/DL CREATININE Male Any 0.66-1.25 MG/DL Critical High Values: >4.0 mg/dL"

 


Clinical Significance
Creatinine measurements are used in the diagnosis and treatment of renal diseases, in monitoring renal dialysis, and as a calculation basis for measuring other urine analytes




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.