Convert ICD-10 Code T50.A12D to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T50.A12D Poisn by pertuss vaccn, inc combin w pertuss, slf-hrm, 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 T50.A12D - poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm, subsequent encounter based on the most recent General Equivalence Mappings (GEMS) information.