Convert ICD-10 Code T65.5X4A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T65.5X4A Tox eff of nitro & oth nitric acids and esters, undet, init		989.89 Tox eff nonmed subst NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T65.5X4A Tox eff of nitro & oth nitric acids and esters, undet, init		E980.9 Undeter pois-sol/liq 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 T65.5X4A - toxic effect of nitroglycerin and other nitric acids and esters, undetermined, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.