| M14861 | Arthropathies in other specified diseases classified elsewhere, right knee |
| M14862 | Arthropathies in other specified diseases classified elsewhere, left knee |
| M14869 | Arthropathies in other specified diseases classified elsewhere, unspecified knee |
| M1487 | Arthropathies in other specified diseases classified elsewhere, ankle and foot |
| M14871 | Arthropathies in other specified diseases classified elsewhere, right ankle and foot |
| M14872 | Arthropathies in other specified diseases classified elsewhere, left ankle and foot |
| M14879 | Arthropathies in other specified diseases classified elsewhere, unspecified ankle and foot |
| M1488 | Arthropathies in other specified diseases classified elsewhere, vertebrae |
| M1489 | Arthropathies in other specified diseases classified elsewhere, multiple sites |
| M15 | Polyosteoarthritis |
| M150 | Primary generalized (osteo)arthritis |
| M151 | Heberden's nodes (with arthropathy) |
| M152 | Bouchard's nodes (with arthropathy) |
| M153 | Secondary multiple arthritis |
| M154 | Erosive (osteo)arthritis |
| M158 | Other polyosteoarthritis |
| M159 | Polyosteoarthritis, unspecified |
| M16 | Osteoarthritis of hip |
| M160 | Bilateral primary osteoarthritis of hip |
| M161 | Unilateral primary osteoarthritis of hip |
| M1610 | Unilateral primary osteoarthritis, unspecified hip |
| M1611 | Unilateral primary osteoarthritis, right hip |
| M1612 | Unilateral primary osteoarthritis, left hip |
| M162 | Bilateral osteoarthritis resulting from hip dysplasia |
| M163 | Unilateral osteoarthritis resulting from hip dysplasia |
| M1630 | Unilateral osteoarthritis resulting from hip dysplasia, unspecified hip |
| M1631 | Unilateral osteoarth resulting from hip dysplasia, right hip Unilateral osteoarthritis resulting from hip dysplasia, right hip |
| M1632 | Unilateral osteoarthritis resulting from hip dysplasia, left hip |
| M164 | Bilateral post-traumatic osteoarthritis of hip |
| M165 | Unilateral post-traumatic osteoarthritis of hip |
| M1650 | Unilateral post-traumatic osteoarthritis, unspecified hip |
| M1651 | Unilateral post-traumatic osteoarthritis, right hip |
| M1652 | Unilateral post-traumatic osteoarthritis, left hip |
| M166 | Other bilateral secondary osteoarthritis of hip |
| M167 | Other unilateral secondary osteoarthritis of hip |
| M169 | Osteoarthritis of hip, unspecified |
| M17 | Osteoarthritis of knee |
| M170 | Bilateral primary osteoarthritis of knee |
| M171 | Unilateral primary osteoarthritis of knee |
| M1710 | Unilateral primary osteoarthritis, unspecified knee |
| M1711 | Unilateral primary osteoarthritis, right knee |
| M1712 | Unilateral primary osteoarthritis, left knee |
| M172 | Bilateral post-traumatic osteoarthritis of knee |
| M173 | Unilateral post-traumatic osteoarthritis of knee |
| M1730 | Unilateral post-traumatic osteoarthritis, unspecified knee |
| M1731 | Unilateral post-traumatic osteoarthritis, right knee |
| M1732 | Unilateral post-traumatic osteoarthritis, left knee |
| M174 | Other bilateral secondary osteoarthritis of knee |
| M175 | Other unilateral secondary osteoarthritis of knee |
| M179 | Osteoarthritis of knee, unspecified |