ICD-10-CM › M
ICD-10-CM codes starting with M
8,707 codes, page 24 of 88. Every code ever valid for billing is listed, including those now retired.
| Code | Description | Status |
|---|---|---|
| M21.752 | Unequal limb length (acquired), left femur | Valid |
| M21.759 | Unequal limb length (acquired), unspecified femur | Valid |
| M21.76 | Unequal limb length (acquired), tibia and fibula | Not billable |
| M21.761 | Unequal limb length (acquired), right tibia | Valid |
| M21.762 | Unequal limb length (acquired), left tibia | Valid |
| M21.763 | Unequal limb length (acquired), right fibula | Valid |
| M21.764 | Unequal limb length (acquired), left fibula | Valid |
| M21.769 | Unequal limb length (acquired), unspecified tibia and fibula | Valid |
| M21.8 | Other specified acquired deformities of limbs | Not billable |
| M21.80 | Other specified acquired deformities of unspecified limb | Valid |
| M21.82 | Other specified acquired deformities of upper arm | Not billable |
| M21.821 | Other specified acquired deformities of right upper arm | Valid |
| M21.822 | Other specified acquired deformities of left upper arm | Valid |
| M21.829 | Other specified acquired deformities of unspecified upper arm | Valid |
| M21.83 | Other specified acquired deformities of forearm | Not billable |
| M21.831 | Other specified acquired deformities of right forearm | Valid |
| M21.832 | Other specified acquired deformities of left forearm | Valid |
| M21.839 | Other specified acquired deformities of unspecified forearm | Valid |
| M21.85 | Other specified acquired deformities of thigh | Not billable |
| M21.851 | Other specified acquired deformities of right thigh | Valid |
| M21.852 | Other specified acquired deformities of left thigh | Valid |
| M21.859 | Other specified acquired deformities of unspecified thigh | Valid |
| M21.86 | Other specified acquired deformities of lower leg | Not billable |
| M21.861 | Other specified acquired deformities of right lower leg | Valid |
| M21.862 | Other specified acquired deformities of left lower leg | Valid |
| M21.869 | Other specified acquired deformities of unspecified lower leg | Valid |
| M21.9 | Unspecified acquired deformity of limb and hand | Not billable |
| M21.90 | Unspecified acquired deformity of unspecified limb | Valid |
| M21.92 | Unspecified acquired deformity of upper arm | Not billable |
| M21.921 | Unspecified acquired deformity of right upper arm | Valid |
| M21.922 | Unspecified acquired deformity of left upper arm | Valid |
| M21.929 | Unspecified acquired deformity of unspecified upper arm | Valid |
| M21.93 | Unspecified acquired deformity of forearm | Not billable |
| M21.931 | Unspecified acquired deformity of right forearm | Valid |
| M21.932 | Unspecified acquired deformity of left forearm | Valid |
| M21.939 | Unspecified acquired deformity of unspecified forearm | Valid |
| M21.94 | Unspecified acquired deformity of hand | Not billable |
| M21.941 | Unspecified acquired deformity of hand, right hand | Valid |
| M21.942 | Unspecified acquired deformity of hand, left hand | Valid |
| M21.949 | Unspecified acquired deformity of hand, unspecified hand | Valid |
| M21.95 | Unspecified acquired deformity of thigh | Not billable |
| M21.951 | Unspecified acquired deformity of right thigh | Valid |
| M21.952 | Unspecified acquired deformity of left thigh | Valid |
| M21.959 | Unspecified acquired deformity of unspecified thigh | Valid |
| M21.96 | Unspecified acquired deformity of lower leg | Not billable |
| M21.961 | Unspecified acquired deformity of right lower leg | Valid |
| M21.962 | Unspecified acquired deformity of left lower leg | Valid |
| M21.969 | Unspecified acquired deformity of unspecified lower leg | Valid |
| M22 | Disorder of patella | Not billable |
| M22.0 | Recurrent dislocation of patella | Not billable |
| M22.00 | Recurrent dislocation of patella, unspecified knee | Valid |
| M22.01 | Recurrent dislocation of patella, right knee | Valid |
| M22.02 | Recurrent dislocation of patella, left knee | Valid |
| M22.1 | Recurrent subluxation of patella | Not billable |
| M22.10 | Recurrent subluxation of patella, unspecified knee | Valid |
| M22.11 | Recurrent subluxation of patella, right knee | Valid |
| M22.12 | Recurrent subluxation of patella, left knee | Valid |
| M22.2 | Patellofemoral disorders | Not billable |
| M22.2X | Patellofemoral disorders | Not billable |
| M22.2X1 | Patellofemoral disorders, right knee | Valid |
| M22.2X2 | Patellofemoral disorders, left knee | Valid |
| M22.2X9 | Patellofemoral disorders, unspecified knee | Valid |
| M22.3 | Other derangements of patella | Not billable |
| M22.3X | Other derangements of patella | Not billable |
| M22.3X1 | Other derangements of patella, right knee | Valid |
| M22.3X2 | Other derangements of patella, left knee | Valid |
| M22.3X9 | Other derangements of patella, unspecified knee | Valid |
| M22.4 | Chondromalacia patellae | Not billable |
| M22.40 | Chondromalacia patellae, unspecified knee | Valid |
| M22.41 | Chondromalacia patellae, right knee | Valid |
| M22.42 | Chondromalacia patellae, left knee | Valid |
| M22.8 | Other disorders of patella | Not billable |
| M22.8X | Other disorders of patella | Not billable |
| M22.8X1 | Other disorders of patella, right knee | Valid |
| M22.8X2 | Other disorders of patella, left knee | Valid |
| M22.8X9 | Other disorders of patella, unspecified knee | Valid |
| M22.9 | Unspecified disorder of patella | Not billable |
| M22.90 | Unspecified disorder of patella, unspecified knee | Valid |
| M22.91 | Unspecified disorder of patella, right knee | Valid |
| M22.92 | Unspecified disorder of patella, left knee | Valid |
| M23 | Internal derangement of knee | Not billable |
| M23.0 | Cystic meniscus | Not billable |
| M23.00 | Cystic meniscus, unspecified meniscus | Not billable |
| M23.000 | Cystic meniscus, unspecified lateral meniscus, right knee | Valid |
| M23.001 | Cystic meniscus, unspecified lateral meniscus, left knee | Valid |
| M23.002 | Cystic meniscus, unspecified lateral meniscus, unspecified knee | Valid |
| M23.003 | Cystic meniscus, unspecified medial meniscus, right knee | Valid |
| M23.004 | Cystic meniscus, unspecified medial meniscus, left knee | Valid |
| M23.005 | Cystic meniscus, unspecified medial meniscus, unspecified knee | Valid |
| M23.006 | Cystic meniscus, unspecified meniscus, right knee | Valid |
| M23.007 | Cystic meniscus, unspecified meniscus, left knee | Valid |
| M23.009 | Cystic meniscus, unspecified meniscus, unspecified knee | Valid |
| M23.01 | Cystic meniscus, anterior horn of medial meniscus | Not billable |
| M23.011 | Cystic meniscus, anterior horn of medial meniscus, right knee | Valid |
| M23.012 | Cystic meniscus, anterior horn of medial meniscus, left knee | Valid |
| M23.019 | Cystic meniscus, anterior horn of medial meniscus, unspecified knee | Valid |
| M23.02 | Cystic meniscus, posterior horn of medial meniscus | Not billable |
| M23.021 | Cystic meniscus, posterior horn of medial meniscus, right knee | Valid |
| M23.022 | Cystic meniscus, posterior horn of medial meniscus, left knee | Valid |
| M23.029 | Cystic meniscus, posterior horn of medial meniscus, unspecified knee | Valid |