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C-Reactive Protein

Test Code
LAB149


Alias/See Also
CRP; CRPC; Acute Phase Reactant CRP


CPT Codes
86140

Instructions
"Routine venipuncture, Blood
Collect one 4.5ml light green top (heparin) tube or one 5ml 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?)
Failure to follow stability requirements


Methodology
Fixed-point immuno-rate:The reflection density is directly proportional to the concentration of CRP in the sample.

Setup Schedule
Daily


Report Available
Within 24 hours


Reference Range
0.0-0.9 mg/dL


Clinical Significance
C-reactive protein measurements are used in the clinical evaluation of stress, trauma, infection, inflammation, and surgery. Do not confuse this test with Highly Sensitive CRP (cardiac monitor).




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.