| M94 | Other disorders of cartilage | NON-BILLABLE CODE |
| M94.1 | Relapsing polychondritis | BILLABLE CODE |
| M94.2 | Chondromalacia | NON-BILLABLE CODE |
| M94.20 | Chondromalacia, unspecified site | BILLABLE CODE |
| M94.21 | Chondromalacia, shoulder | NON-BILLABLE CODE |
| M94.211 | Chondromalacia, right shoulder | BILLABLE CODE |
| M94.212 | Chondromalacia, left shoulder | BILLABLE CODE |
| M94.219 | Chondromalacia, unspecified shoulder | BILLABLE CODE |
| M94.22 | Chondromalacia, elbow | NON-BILLABLE CODE |
| M94.221 | Chondromalacia, right elbow | BILLABLE CODE |
| M94.222 | Chondromalacia, left elbow | BILLABLE CODE |
| M94.229 | Chondromalacia, unspecified elbow | BILLABLE CODE |
| M94.23 | Chondromalacia, wrist | NON-BILLABLE CODE |
| M94.231 | Chondromalacia, right wrist | BILLABLE CODE |
| M94.232 | Chondromalacia, left wrist | BILLABLE CODE |
| M94.239 | Chondromalacia, unspecified wrist | BILLABLE CODE |
| M94.24 | Chondromalacia, joints of hand | NON-BILLABLE CODE |
| M94.241 | Chondromalacia, joints of right hand | BILLABLE CODE |
| M94.242 | Chondromalacia, joints of left hand | BILLABLE CODE |
| M94.249 | Chondromalacia, joints of unspecified hand | BILLABLE CODE |
| M94.25 | Chondromalacia, hip | NON-BILLABLE CODE |
| M94.251 | Chondromalacia, right hip | BILLABLE CODE |
| M94.252 | Chondromalacia, left hip | BILLABLE CODE |
| M94.259 | Chondromalacia, unspecified hip | BILLABLE CODE |
| M94.26 | Chondromalacia, knee | NON-BILLABLE CODE |
| M94.261 | Chondromalacia, right knee | BILLABLE CODE |
| M94.262 | Chondromalacia, left knee | BILLABLE CODE |
| M94.269 | Chondromalacia, unspecified knee | BILLABLE CODE |
| M94.27 | Chondromalacia, ankle and joints of foot | NON-BILLABLE CODE |
| M94.271 | Chondromalacia, right ankle and joints of right foot | BILLABLE CODE |
| M94.272 | Chondromalacia, left ankle and joints of left foot | BILLABLE CODE |
| M94.279 | Chondromalacia, unspecified ankle and joints of foot | BILLABLE CODE |
| M94.28 | Chondromalacia, other site | BILLABLE CODE |
| M94.29 | Chondromalacia, multiple sites | BILLABLE CODE |
| M94.3 | Chondrolysis | NON-BILLABLE CODE |
| M94.35 | Chondrolysis, hip | NON-BILLABLE CODE |
| M94.351 | Chondrolysis, right hip | BILLABLE CODE |
| M94.352 | Chondrolysis, left hip | BILLABLE CODE |
| M94.359 | Chondrolysis, unspecified hip | BILLABLE CODE |
| M94.8 | Other specified disorders of cartilage | NON-BILLABLE CODE |
| M94.8X | Other specified disorders of cartilage | NON-BILLABLE CODE |
| M94.8X0 | Other specified disorders of cartilage, multiple sites | BILLABLE CODE |
| M94.8X1 | Other specified disorders of cartilage, shoulder | BILLABLE CODE |
| M94.8X2 | Other specified disorders of cartilage, upper arm | BILLABLE CODE |
| M94.8X3 | Other specified disorders of cartilage, forearm | BILLABLE CODE |
| M94.8X4 | Other specified disorders of cartilage, hand | BILLABLE CODE |
| M94.8X5 | Other specified disorders of cartilage, thigh | BILLABLE CODE |
| M94.8X6 | Other specified disorders of cartilage, lower leg | BILLABLE CODE |
| M94.8X7 | Other specified disorders of cartilage, ankle and foot | BILLABLE CODE |
| M94.8X8 | Other specified disorders of cartilage, other site | BILLABLE CODE |
| M94.8X9 | Other specified disorders of cartilage, unspecified sites | BILLABLE CODE |
| M94.9 | Disorder of cartilage, unspecified | BILLABLE CODE |
