Convert ICD-10 Code F16.259 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
F16.259 Hallucinogen dependence w psychotic disorder, unsp		292.89 Drug mental disorder NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
F16.259 Hallucinogen dependence w psychotic disorder, unsp		304.50 Hallucinogen dep-unspec
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 F16.259 - hallucinogen dependence with hallucinogen-induced psychotic disorder, unspecified based on the most recent General Equivalence Mappings (GEMS) information.