Convert ICD-10 Code T59.811A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T59.811A Toxic effect of smoke, accidental (unintentional), init		987.9 Toxic eff gas/vapor NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T59.811A Toxic effect of smoke, accidental (unintentional), init		E869.8 Acc poison-gas/vapor 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 T59.811A - toxic effect of smoke, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.