Convert ICD-10 Code H47.012 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H47.012 Ischemic optic neuropathy, left eye		377.41 Ischemic optic neuropthy
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 H47.012 - ischemic optic neuropathy, left eye based on the most recent General Equivalence Mappings (GEMS) information.