| M21.90 | Unspecified acquired deformity of unspecified limb | BILLABLE CODE |
| M21.92 | Unspecified acquired deformity of upper arm | NON-BILLABLE CODE |
| M21.921 | Unspecified acquired deformity of right upper arm | BILLABLE CODE |
| M21.922 | Unspecified acquired deformity of left upper arm | BILLABLE CODE |
| M21.929 | Unspecified acquired deformity of unspecified upper arm | BILLABLE CODE |
| M21.93 | Unspecified acquired deformity of forearm | NON-BILLABLE CODE |
| M21.931 | Unspecified acquired deformity of right forearm | BILLABLE CODE |
| M21.932 | Unspecified acquired deformity of left forearm | BILLABLE CODE |
| M21.939 | Unspecified acquired deformity of unspecified forearm | BILLABLE CODE |
| M21.94 | Unspecified acquired deformity of hand | NON-BILLABLE CODE |
| M21.941 | Unspecified acquired deformity of hand, right hand | BILLABLE CODE |
| M21.942 | Unspecified acquired deformity of hand, left hand | BILLABLE CODE |
| M21.949 | Unspecified acquired deformity of hand, unspecified hand | BILLABLE CODE |
| M21.95 | Unspecified acquired deformity of thigh | NON-BILLABLE CODE |
| M21.951 | Unspecified acquired deformity of right thigh | BILLABLE CODE |
| M21.952 | Unspecified acquired deformity of left thigh | BILLABLE CODE |
| M21.959 | Unspecified acquired deformity of unspecified thigh | BILLABLE CODE |
| M21.96 | Unspecified acquired deformity of lower leg | NON-BILLABLE CODE |
| M21.961 | Unspecified acquired deformity of right lower leg | BILLABLE CODE |
| M21.962 | Unspecified acquired deformity of left lower leg | BILLABLE CODE |
| M21.969 | Unspecified acquired deformity of unspecified lower leg | BILLABLE CODE |
