Convert ICD-10 Code Z79.891 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Z79.891 Long term (current) use of opiate analgesic		V58.69 Long-term use meds NEC
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 Z79.891 - long term (current) use of opiate analgesic based on the most recent General Equivalence Mappings (GEMS) information.