Table 1. ICD-9 and ICD-10 diagnosis codes.

ICD, International Classification of Diseases

Hand OA-related ICD-9 and ICD-10 diagnosis codes

ICD-9-D-71504, ICD-9-D-71514, ICD-9-D-71524, ICD-9-D-71534, ICD-9-D-71594, ICD-10-D-M12541, ICD-10-D-M12542, ICD-10-D-M12549, ICD-10-D-M151, ICD-10-D-M152, ICD-10-D-M180, ICD-10-D-M1810, ICD-10-D-M1811, ICD-10-D-M1812, ICD-10-D-M1830, ICD-10-D-M1831, ICD-10-D-M1832, ICD-10-D-M184, ICD-10-D-M189, ICD-10-D-M19041, ICD-10-D-M19042, ICD-10-D-M19049, ICD-10-D-M19141, ICD-10-D-M19142, ICD-10-D-M19241, ICD-10-D-M19242