Convert ICD-10 Code F16.21 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
F16.21 Hallucinogen dependence, in remission		304.53 Hallucinogen dep-remiss

ICD-10 to ICD-9 crosswalk for code F16.21 - hallucinogen dependence, in remission based on the most recent General Equivalence Mappings (GEMS) information.