Convert ICD-10 Code T43.635A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T43.635A Adverse effect of methylphenidate, 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.
T43.635A Adverse effect of methylphenidate, initial encounter		E939.7 Adv eff psychostimulants
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 T43.635A - adverse effect of methylphenidate, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.