Convert ICD-10 Code I40.8 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I40.8 Other acute myocarditis		422.93 Toxic myocarditis
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.
I40.8 Other acute myocarditis		422.99 Acute myocarditis NEC
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 I40.8 - other acute myocarditis based on the most recent General Equivalence Mappings (GEMS) information.