| M9427 | Chondromalacia, ankle and joints of foot |
| M94271 | Chondromalacia, right ankle and joints of right foot |
| M94272 | Chondromalacia, left ankle and joints of left foot |
| M94279 | Chondromalacia, unspecified ankle and joints of foot |
| M9428 | Chondromalacia, other site |
| M9429 | Chondromalacia, multiple sites |
| M943 | Chondrolysis |
| M9435 | Chondrolysis, hip |
| M94351 | Chondrolysis, right hip |
| M94352 | Chondrolysis, left hip |
| M94359 | Chondrolysis, unspecified hip |
| M948 | Other specified disorders of cartilage |
| M948X | Other specified disorders of cartilage |
| M948X0 | Other specified disorders of cartilage, multiple sites |
| M948X1 | Other specified disorders of cartilage, shoulder |
| M948X2 | Other specified disorders of cartilage, upper arm |
| M948X3 | Other specified disorders of cartilage, forearm |
| M948X4 | Other specified disorders of cartilage, hand |
| M948X5 | Other specified disorders of cartilage, thigh |
| M948X6 | Other specified disorders of cartilage, lower leg |
| M948X7 | Other specified disorders of cartilage, ankle and foot |
| M948X8 | Other specified disorders of cartilage, other site |
| M948X9 | Other specified disorders of cartilage, unspecified sites |
| M949 | Disorder of cartilage, unspecified |
| M95 | Other acquired deformities of musculoskeletal system and connective tissue |
| M950 | Acquired deformity of nose |
| M951 | Cauliflower ear |
| M9510 | Cauliflower ear, unspecified ear |
| M9511 | Cauliflower ear, right ear |
| M9512 | Cauliflower ear, left ear |
| M952 | Other acquired deformity of head |
| M953 | Acquired deformity of neck |
| M954 | Acquired deformity of chest and rib |
| M955 | Acquired deformity of pelvis |
| M958 | Other specified acquired deformities of musculoskeletal system |
| M959 | Acquired deformity of musculoskeletal system, unspecified |
| M96 | Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified |
| M960 | Pseudarthrosis after fusion or arthrodesis |
| M961 | Postlaminectomy syndrome, not elsewhere classified |
| M962 | Postradiation kyphosis |
| M963 | Postlaminectomy kyphosis |
| M964 | Postsurgical lordosis |
| M965 | Postradiation scoliosis |
| M966 | Fracture of bone following insertion of orthopedic implant, joint prosthesis, or bone plate |
| M9662 | Fracture of humerus following insertion of orthopedic implant, joint prosthesis, or bone plate |
| M96621 | Fx humerus fol insrt ortho implnt/prosth/bone plt, right arm Fracture of humerus following insertion of orthopedic implant, joint prosthesis, or bone plate, right arm |
| M96622 | Fracture of humerus following insertion of orthopedic implant, joint prosthesis, or bone plate, left arm |
| M96629 | Fracture of humerus following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm |
| M9663 | Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate |
| M96631 | Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, right arm |