Convert ICD-10 Code T58.04XD to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T58.04XD Toxic effect of carb monx from mtr veh exhaust, undet, subs		V58.89 Other specfied aftercare
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 T58.04XD - toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, subsequent encounter based on the most recent General Equivalence Mappings (GEMS) information.