Convert ICD-10 Code I49.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I49.9 Cardiac arrhythmia, unspecified		427.9 Cardiac dysrhythmia NOS

ICD-10 to ICD-9 crosswalk for code I49.9 - cardiac arrhythmia, unspecified based on the most recent General Equivalence Mappings (GEMS) information.