Convert ICD-10 Code T58.91XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T58.91XA Toxic effect of carb monx from unsp source, acc, init		986 Tox eff carbon monoxide
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T58.91XA Toxic effect of carb monx from unsp source, acc, init		E868.9 Acc pois-carbn monox NOS
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 T58.91XA - toxic effect of carbon monoxide from unspecified source, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.