Name: C-Reactive Protein
Test Name: C-Reactive Protein
Health Link Test Code: CRPN
LIS Test Code: CRP
CPT Code(s): 86140
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: 1 hour.
Collection Container: Green cap with yellow ring (PST)
Also Acceptable: Green top, Red cap with yellow ring (SST), Red top
Collection Volume: 1 mL
Pediatric Collection Volume: 0.4 mL
Sample Analyzed: Plasma or serum
Testing Volume: 0.5 mL
Pediatric Testing Volume: 0.2 mL
Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.
Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.
0 days-17 years: 0.0-2.9 mg/dL
18 years and up: 0.0-1.0 mg/dL
Interpretation Type: Reference Interval
Levels can rise to over 30 mg/dL within 24 to 48 hours of an acute insult such as major surgery or a myocardial infarction. It can fall just as rapidly with spontaneous or therapeutically induced remission of disease activity.