Convert ICD-10 Code T59.91XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T59.91XA Toxic effect of unsp gases, fumes and vapors, acc, 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.
T59.91XA Toxic effect of unsp gases, fumes and vapors, acc, 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 T59.91XA - toxic effect of unspecified gases, fumes and vapors, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.