Convert ICD-10 Code F19.97 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
F19.97 Oth psychoactive substance use, unsp w persisting dementia		292.82 Drug persisting dementia
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 F19.97 - other psychoactive substance use, unspecified with psychoactive substance-induced persisting dementia based on the most recent General Equivalence Mappings (GEMS) information.