Laboratory Services

C-Reactive Protein

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Updated Test Information:

Test Description
C-Reactive Protein
Synonym(s)
CRP
Test ID
CRP
General Information
CRP is an acute phase reactant, which can be used as a test for inflammatory diseases, infections, and neoplastic diseases. Progressive increases correlate with increases of inflammation/injury. CRP is a more sensitive, rapidly responding indicator than ESR. 
Specimen Type
Serum
Specimen Requirements
SST
Alternate Specimen Type
Red, Li-heparin plasma, K2EDTA
Specimen Collection / Processing Instructions
SST - Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Stability
11 days at 15-25°C
2 months at 2-8°C
3 years at -15 to -25°C
Methodology
Immunoturbidimetric
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
86140
Reference Range
<0.5 mg/dL
Performing Lab
Incyte Diagnostics
LOINC Code(s)
1988-5