Convert ICD-10 Code T65.91XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T65.91XA Toxic effect of unsp substance, accidental, init		989.9 Tox eff nonmed subst NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T65.91XA Toxic effect of unsp substance, accidental, init		E866.8 Acc pois-solid/liq 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 T65.91XA - toxic effect of unspecified substance, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.