Convert ICD-10 Code F11.99 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
F11.99 Opioid use, unsp with unspecified opioid-induced disorder		292.9 Drug mental disorder NOS
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 F11.99 - opioid use, unspecified with unspecified opioid-induced disorder based on the most recent General Equivalence Mappings (GEMS) information.