Convert ICD-10 Code F16.921 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
F16.921 Hallucinogen use, unsp with intoxication with delirium		292.81 Drug-induced delirium
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code F16.921 - hallucinogen use, unspecified with intoxication with delirium based on the most recent General Equivalence Mappings (GEMS) information.