Convert ICD-10 Code I25.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I25.9 Chronic ischemic heart disease, unspecified		414.8 Chr ischemic hrt dis 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.
I25.9 Chronic ischemic heart disease, unspecified		414.9 Chr ischemic hrt dis 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 I25.9 - chronic ischemic heart disease, unspecified based on the most recent General Equivalence Mappings (GEMS) information.