Convert ICD-10 Code M26.639 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M26.639 Articular disc disorder of TMJ joint, unspecified side		524.63 Articular disc disorder
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 M26.639 - articular disc disorder of temporomandibular joint, unspecified side based on the most recent General Equivalence Mappings (GEMS) information.