Convert ICD-10 Code T40.3X5A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T40.3X5A Adverse effect of methadone, initial encounter		995.29 Adv eff med/biol NEC/NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T40.3X5A Adverse effect of methadone, initial encounter		E935.1 Adv eff methadone
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 T40.3X5A - adverse effect of methadone, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.