Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

C-REACTIVE PROTEIN (CRP)

General Information

Lab Order Codes:

CRP

Synonyms:

C-Reactive Protein Quantitative ,Plasma or Serum; CRP

CPT Codes:

86140 – C-reactive protein

Test Includes:

High Sensitivity C-Reactive protein concentration reported in mg/dL.

Logistics

Test Indications:

C-Reactive protein recognizes potentially toxic autogenous substances released from damaged tissue, to bind them, and to clear them from the blood. Plasma levels rise in myocardial infarction, stress, trauma, infection, inflammation, surgery, or neoplastic proliferation.

Lab Testing Sections:

Chemistry

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

4 hours

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Green top (Li Heparin) tube preferred
Alternate tube: Red top tube

Draw Volume:

0.6 mL blood

Processed Volume:

0.2 mL serum/plasma

Collection:

Routine venipuncture. Mix tubes containing anticoagulant by gentle inversion.

Special Processing:

Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a plastic sample cup. Store at refrigerated temperatures.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen

Interpretive

Reference Range:

0.05 – 0.3 mg/dL

Critical Values:

N/A

Limitations:

N/A

Methodology:

Particle Enhanced Turbidimetric Immunoassay (PETIA)

References:

RCRP Flex® reagent cartridge insert sheet Siemens Healthcare Diagnostics (2010-01-25) I PN 717034.001 – US

Jacobs & DeMott Laboratory Test Handbook (2001) Lexi-Comp, Inc, Hudson, OH, 5th Edition

Bio-Rad Liquichek Elevated CRP Control Product Insert, Bio-Rad Laboratories, Irvine, CA 92618

Bio-Rad Liquichek Lipids Control Product Insert, Bio-Rad Laboratories, Irvine, CA 92618



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