AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES

Elevated C-Reactive Protein

Effective October 1, 2004, a new code (790.95) has been created to describe findings of elevated C–reactive protein (CRP) on blood examination. C-reactive protein is a high sensitivity assay for CRP, which is a marker for systemic inflammation. This diagnostic test measures the concentration of a protein in serum. The body releases CRP in response to acute injury, infection, or other inflammatory stimuli. Inflammation of the lining of an artery wall has been identified as a risk factor for plaque rupture and artery occlusion, which may lead to acute myocardial infarction and stroke. 790 Nonspecific...

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