C-Reactive Protein

Test Code

CRP

CPT Codes
86140

Preferred Specimen

Serum (gold top) tube

Minimum Volume

0.5 mL

Other Acceptable Specimens

Lithium Heparin Plasma (green top) tube

Transport Container

Serum (gold top) tube or Lithium Heparin Plasma (green top) tube

Transport Temperature

Room Temperature or Refrigeration

Specimen Stability

Room Temperature - 4 hours; Refrigerated - 3 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Quantity Not Sufficient, IV contamination

Methodology
Colorimetric

Setup Schedule

Daily upon receipt

Report Available

Upon completion of analysis

Reference Range

0.0 - 0.9 mg/dL

Clinical Significance

C-reactive protein is synthesized by the liver and is one of the acute phase proteins. In the acute phase response, increased concentrations of a number of plasma proteins, including CRP, are observed. CRP concentration measurements are useful in the detection and evaluation of inflammatory disorders, tissue injury, and infections.

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.