 
| ICD-10-CM-2023 > I00-I99 > I30-I5A > I31 | 
| I30-I5A | Other forms of heart disease | |
| I31 | Other diseases of pericardium | |
| Excl1.: | diseases of pericardium specified as rheumatic (I09.2) postcardiotomy syndrome (I97.0) traumatic injury to pericardium (S26.-) | |
| I31.0 | Chronic adhesive pericarditis | |
| Info: | Accretio cordis Adherent pericardium Adhesive mediastinopericarditis | |
| I31.1 | Chronic constrictive pericarditis | |
| Info: | Concretio cordis Pericardial calcification | |
| I31.2 | Hemopericardium, not elsewhere classified | |
| Excl1.: | hemopericardium as current complication following acute myocardial infarction (I23.0) malignant pericardial effusion (I31.31) | |
| I31.3 | Pericardial effusion (noninflammatory) | |
| Excl1.: | acute pericardial effusion (I30.9) | |
| I31.31 | Malignant pericardial effusion in diseases classified elsewhere | |
| Code first | underlying neoplasm (C00-D49) | |
| I31.39 | Other pericardial effusion (noninflammatory) | |
| Info: | Chylopericardium | |
| I31.4 | Cardiac tamponade | |
| Code first | underlying cause | |
| I31.8 | Other specified diseases of pericardium | |
| Info: | Epicardial plaques Focal pericardial adhesions | |
| I31.9 | Disease of pericardium, unspecified | |
| Info: | Pericarditis (chronic) NOS | |
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