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Test Code LAB150 C-Reactive Protein High Sensitivity (hsCRP), Cardiac

Useful For

  • Assessment of risk of developing myocardial infarction in patients presenting with acute coronary syndromes
  • Assessment of risk of developing cardiovascular disease or ischemic events in individuals who do not manifest disease at present

Methodology

Particle Enhanced Immunoturbidimetric Assay

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL

Specimen Transport Temperature

Ambient/Refrigerated

Specimen Stability

Specimen Type Temperature Time
Plasma or Serum Ambient 11 days
  Refrigerated 2 months
  Frozen 3 years

Reference Values

Normal Range: 0.15-3.00 mg/L

 

HS-CRP values for determining risk of developing cardiovascular disease:

HS-CRP Relative Risk
< 1.00 mg/L  Low
1.00 - 3.00 mg/L Average
> 3.00 mg/L High

Additional Information

  • Patients with persistent, unexplained elevations of the hsCRP levels > 10 mg/L should be evaluated for non-cardiovascular origins.
  • Increases in CRP values are non‑specific and should not be interpreted without a complete clinical history.
  • Testing for any risk assessment should not be performed while there is an indication of infection, systemic inflammation or trauma.
  • When using hsCRP to assess the risk of coronary heart disease, measurements should be made on metabolically stable patients and compared to previous values.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

86141