C-Reactive Protein
Testing Information
Sample Type
Serum
Test Codes
650190
CPT Code
86140
Testing Area
Core Lab - Chemistry
Test Methodology
Abbott Alinity - Immunoturbidimetric
Reference Range
<8 mg/L
Expected Turnaround Time
Results Available 24 hours from Receipt at the laboratory.
Specimen Collection Criteria
Collect one gold top SST tube (minimum whole blood: 4 mL). Let specimen clot for 30-60 minutes and then centrifuge to separate serum from cells. Refrigerate after centrifugation.
Rejection Criteria
Grossly hemolyzed specimens, quantity not sufficient, grossly lipemic specimens, improperly labeled
Specimen Validity and Retention
Centrifuged SST Tubes:Room Temperature (20-25°C): 15 daysRefrigerated (2-8°C): 2 monthsFrozen (-20°C or greater): UnacceptableSerum Aliquots:Room Temperature (20-25°C): 15 daysRefrigerated (2-8°C): 2 monthsFrozen (-20°C or greater): 1 yearSpecimens retained for 7 days after testing
Courier Transportation
Transport centrifuged tube refrigerated (2-8°C)
Clinical Utility
CRP is an acute phase reactant and is a marker for non-specific inflammation.
