I30
⚠ Non-billable (Header)Acute pericarditis
Diseases of the circulatory system (I00-I99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ Includes
- • acute mediastinopericarditis
- • acute myopericarditis
- • acute pericardial effusion
- • acute pleuropericarditis
- • acute pneumopericarditis
❌ Excludes1
directCannot be coded with I30
- • Dressler's syndrome (I24.1)
- • rheumatic pericarditis (acute) (I01.0)
- • viral pericarditis due to Coxsackie virus (B33.23)
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CodeI30
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes13 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)