Relates ICD-9 Codes to 420.91

Acute idiopathic pericarditis

ICD-9 Index
Chapter: 390–459
Section: 420-429
Block: 420 Acute pericarditis
420.91 - Ac idiopath pericarditis

View Code 420.91

420.0 - Acute pericarditis in diseases classified elsewhere
420.90 - Acute pericarditis, unspecified
420.99 - Other acute pericarditis

Previous Code: 420.90

View Code 420.91

Next Code: 420.99

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