Convert ICD-10 Code T50.A12A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T50.A12A Poisn by pertuss vaccn, inc combin w pertuss, slf-hrm, init		978.6 Pois-pertussis vaccine
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T50.A12A Poisn by pertuss vaccn, inc combin w pertuss, slf-hrm, init		E950.4 Poison-drug/medicin NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code T50.A12A - poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.