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Test Code 411 C-Reactive Protein, Inflammatory

Important Note

For assessing cardiovascular risk see C-Reactive Protein, High Sensitivity.

Additional Codes


PowerChart: C-Reactive Protein

MA Cerner: C-Reactive Protein.

Specimen Requirement

0.5 mL of serum or plasma is required.

Additional Specimen Collection Information

Collect blood in a lithium heparin, green-top or red-top tube. PST and SST (gel tubes) are acceptable. Serum or plasma should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Samples with >1+ lipemia must be cleared prior to analysis.

Useful For

Evaluation of inflammatory conditions


Testing is performed Monday through Sunday.

Routine: Typically completed within 4 hours after the specimen arrives at the testing site.

Expedite: Typically completed within 1.5 hours after the specimen arrives at the testing site.

STAT: Typically completed within 1 hour after the specimen arrives at the testing site.

CPT Code Information

86140 C-reative protein

LOINC Code Information

1988-5 C Reactive Protein [Mass/Volume] In Serum Or Plasma

Test Method

MercyOne:Turbidimetric Method; Beckman

MA: Immunoturbidimetric Method;  Roche Cobas 6000

Reference Values

MercyOne Dubuque: < 1.0 mg/dL

MercyOne Dyersville: < 0.8 mg/dL

Medical Associates: 0.0 - 0.9 mg/dL