Convert ICD-10 Code T57.3X1A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T57.3X1A Toxic effect of hydrogen cyanide, accidental, init		987.7 Tox eff hydrocyan acd gs
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T57.3X1A Toxic effect of hydrogen cyanide, 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 T57.3X1A - toxic effect of hydrogen cyanide, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.