Acute pericarditis icd 10 code July 8, 2019 16 32 64 128 Acute benign pericarditis idiopathic icd 10 code Icd 10 code for acute pericarditis unspecified Icd 10 code for acute pericarditis nonspecific Icd 10 code for acute idiopathic pericarditis Icd 10 code for acute viral pericarditis Icd 9 pericarditis