hs-CRP
Test code
CPT code(s)*
Test resources
Test summary
Details
Methodology
Immunoturbidimetric
Alternative name(s)
Cardiac CRP,CRP, High Sensitivity,CCRP,Ultrasensitive CRP,hsCRP,C-Reactive Protein, Cardio,Highly Sensitive CRP
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum |
| Alternative specimen(s) | Select a service area to view this section. |
| Minimum volume | 0.5 mL |
| Transport container | Serum separator tube (SST) |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 7 days Refrigerated: 7 days Frozen: 90 days |
Reference Range(s)
| ≤17 years | Not established |
| >17 years | Optimal <1.0 mg/L |
For ages >17 years
| hs-CRP (mg/L) | Risk According to AHA/CDC Guidelines |
| <1.0 | Lower relative cardiovascular risk. |
| 1.0-3.0 | Average relative cardiovascular risk. |
| 3.1-10.0 | Higher relative cardiovascular risk. Consider retesting in 1 to 2 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. |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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