C Reactive Protein

Test Code
C REACTIVE PROTEIN(CRPH)


Alias/See Also
CRP
Chemistry


Preferred Specimen
Gold Top Tube


Minimum Volume
2 mL


Transport Temperature
Refrigerate


Specimen Stability
Room temperature: 15 days
Refrigerated (2-8°C): 2 months
Frozen (-20°C or colder): 3 years


Methodology
Turbidmetric/Immunoturbidmetric

Setup Schedule
Daily



Report Available
TAT 1 day


Reference Range
CRPH reference ranges for ages >17 years:
hsCRP in mg/L Risk According to AHA/CDC Guidelines
<1.0 Lower relative cardiovascular risk.
1.0-3.0 Average cardiovascular risk.
3.1-10.0 Higher cardiovascular risk. Consider retesting in two weeks to exclude a benign transient elevation in the baseline CRP value secondary to infection or inflammation.
>10.0 Persistent elevation, upon retesting, may be associated with infection and inflammation.


Performing Laboratory
Test performed in the West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973


Last Updated: April 4, 2019


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.