Convert ICD-10 Code T84.023A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T84.023A Instability of internal left knee prosthesis, init encntr		996.42 Dislocate prosthetic jt
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 T84.023A - instability of internal left knee prosthesis, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.