Convert ICD-10 Code T44.902A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T44.902A Poisn by unsp drugs aff the autonm nrv sys, slf-hrm, init		971.9 Pois-autonomic agent NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T44.902A Poisn by unsp drugs aff the autonm nrv sys, 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 T44.902A - poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.