Test Code CRP C-Reactive Protein (CRP), Serum
Reporting Name
C-Reactive Protein (CRP), SUseful For
Detecting systemic inflammatory processes
Detecting infection and assessing response to antibiotic treatment of bacterial infections
Differentiating between active and inactive disease forms with concurrent infection
Performing Laboratory

Specimen Type
SerumOrdering Guidance
To assess the risk of cardiovascular disease or events using C-reactive protein, order HSCRP / C-Reactive Protein, High Sensitivity, Serum.
Necessary Information
Indicate patient's age and sex
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Serum gel tube should be centrifuged within 2 hours of collection.
2. Red-top tube should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 365 days | ||
Ambient | 14 days |
Reference Values
<5.0 mg/L
Reference values apply to all ages.
Day(s) Performed
Monday through Sunday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86140
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
CRP | C-Reactive Protein (CRP), S | 1988-5 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
CRP | C-Reactive Protein (CRP), S | 1988-5 |
Report Available
Same day/1 to 3 daysReject Due To
Gross hemolysis | Reject |
Method Name
Immunoturbidimetric Assay