Ordering Recommendation

Preferred test to detect acute phase inflammation (eg, autoimmune diseases, connective tissue disease, rheumatoid arthritis, infection, or sepsis). DO NOT ORDER for cardiovascular disease (CVD) risk assessment. Test for CVD risk assessment is C-Reactive Protein, High Sensitivity (0050182).

Mnemonic

CRP

Methodology

Quantitative Immunoturbidimetry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube. Also acceptable: Plasma separator tube, green (lithium heparin), lavender (EDTA), or pink (K2EDTA).

Specimen Preparation

Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: 11 days; Refrigerated: 2 months; Frozen: 3 years (if frozen within 24 hours)

Reference Interval

By report

Interpretive Data

Refer to report.

Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

86140

Components

Component Test Code* Component Chart Name LOINC
0050180 C-Reactive Protein 1988-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • C-Reactive Protein
  • C-Reactive Protein, S
  • CRP
  • CRP, S
  • CRP, Serum
  • Protein, C-Reactive
C-Reactive Protein