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HelpTest Code LAB149 C-Reactive Protein (for Inflammation Monitoring)
Performing Laboratory
Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Asante Ashland Community Hospital
Specimen Minimum Volume
0.5 ml
Billing Code
2010080
Methodology
Near Infrared Particle Immunoassay
Performing Department
Chemistry
Day(s) Test Set Up
Monday through Sunday
Routine – same day
ASAP – 2 hours after receipt of specimen in lab
STAT – 1 hour after receipt of specimen in lab
Test Classification and CPT Coding
86140 - C-reactive protein
Additional Information
Blood levels of C-Reactive Protein (CRP) are known to rise rapidly from normal baseline levels of often <0.3 mg/dL to as high as 50.0 mg/dL as part of the body’s nonspecific inflammatory response to infection or injury. In more recent years, the utility of measuring CRP has expanded from its historical use as a sensitive marker of acute inflammation to include assessment of cardiac events and risk (See CRPHS for test explanation).
*Note: By local clinician demand, this test is
reported in mg/dL, as opposed to the Cardiac Risk Assessment, which
is reported in mg/L.
Note: For cardiac risk assessment, see
CRPHS
Specimen Transport Temperature and Stability
Centrifuge collection tube and refrigerate within 2 hours of collection
Primary tube: Spun SST stable 24 hours at 2° to 8° C
Serum stable 48 hours if aliquoted and refrigerated at 2° to 8° C
Reasons for Rejection
Icterus
Lipemia
Hemolysis
Quantity not sufficient (QNS)
Lack of Two Patient Identifiers:
1-Patient's First & Last name
2-Patient's Date of Birth