Convert ICD-10 Code I09.1 to ICD-9

Source ICD-10 Code Target ICD-9 Code
I09.1
Rheumatic diseases of endocardium, valve unspecified
397.9
Rheum endocarditis NOS
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 I09.1 - rheumatic diseases of endocardium, valve unspecified based on the most recent General Equivalence Mappings (GEMS) information.