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I31.31 Malignant pericardial effusion in diseases classified elsewhere
BackI31Other diseases of pericardiumCategory7 →I31.0Chronic adhesive pericarditisCategoryI31.1Chronic constrictive pericarditisCategoryI31.2Hemopericardium, not elsewhere classifiedCategoryI31.3Pericardial effusion (noninflammatory)Category2 →I31.31Malignant pericardial effusion in diseases classified elsewhereCategoryI31.39Other pericardial effusion (noninflammatory)CategoryI31.4Cardiac tamponadeCategoryI31.8Other specified diseases of pericardiumCategoryI31.9Disease of pericardium, unspecifiedCategory
CategoryCODABLE
I31.31
Malignant pericardial effusion in diseases classified elsewhere
CODING RULE
Code first: underlying neoplasm (C00-D49)
- Chapter
- IX · Diseases of the circulatory system
- Section
- I30-I5A
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.