Convert ICD-10 Code T59.891A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T59.891A Toxic effect of gases, fumes and vapors, accidental, 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.
T59.891A Toxic effect of gases, fumes and vapors, accidental, 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 T59.891A - toxic effect of other specified gases, fumes and vapors, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.