Convert ICD-10 Code I35.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I35.9 Nonrheumatic aortic valve disorder, unspecified		424.1 Aortic valve disorder
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 I35.9 - nonrheumatic aortic valve disorder, unspecified based on the most recent General Equivalence Mappings (GEMS) information.