Convert ICD-10 Code T59.814A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T59.814A Toxic effect of smoke, undetermined, initial encounter		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.
T59.814A Toxic effect of smoke, undetermined, initial encounter		E982.8 Undet pois-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 T59.814A - toxic effect of smoke, undetermined, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.