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B33.2

B33.2: Viral carditis

Non-billable headerICD-10-CM

B33.2 is a non-billable header ICD-10-CM code for viral carditis. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Coxsackie (virus) carditis

Other codes that can never be billed with B33.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • I30Acute pericarditis
  • I32Pericarditis in diseases classified elsewhere
  • I41Myocarditis in diseases classified elsewhere
  • I43Cardiomyopathy in diseases classified elsewhere

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead B33.2

5 child codes. Green means billable.

Other codes under B33

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.