Convert ICD-10 Code I33.0 to ICD-9

Source ICD-10 Code Target ICD-9 Code
I33.0
Acute and subacute infective endocarditis
421.0
Ac/subac bact endocard
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code I33.0 - acute and subacute infective endocarditis based on the most recent General Equivalence Mappings (GEMS) information.