ICD-10-CM › M
ICD-10-CM codes starting with M
8,707 codes, page 22 of 88. Every code ever valid for billing is listed, including those now retired.
| Code | Description | Status |
|---|---|---|
| M1A.46 | Other secondary chronic gout, knee | Not billable |
| M1A.461 | Other secondary chronic gout, right knee | Not billable |
| M1A.4610 | Other secondary chronic gout, right knee, without tophus (tophi) | Valid |
| M1A.4611 | Other secondary chronic gout, right knee, with tophus (tophi) | Valid |
| M1A.462 | Other secondary chronic gout, left knee | Not billable |
| M1A.4620 | Other secondary chronic gout, left knee, without tophus (tophi) | Valid |
| M1A.4621 | Other secondary chronic gout, left knee, with tophus (tophi) | Valid |
| M1A.469 | Other secondary chronic gout, unspecified knee | Not billable |
| M1A.4690 | Other secondary chronic gout, unspecified knee, without tophus (tophi) | Valid |
| M1A.4691 | Other secondary chronic gout, unspecified knee, with tophus (tophi) | Valid |
| M1A.47 | Other secondary chronic gout, ankle and foot | Not billable |
| M1A.471 | Other secondary chronic gout, right ankle and foot | Not billable |
| M1A.4710 | Other secondary chronic gout, right ankle and foot, without tophus (tophi) | Valid |
| M1A.4711 | Other secondary chronic gout, right ankle and foot, with tophus (tophi) | Valid |
| M1A.472 | Other secondary chronic gout, left ankle and foot | Not billable |
| M1A.4720 | Other secondary chronic gout, left ankle and foot, without tophus (tophi) | Valid |
| M1A.4721 | Other secondary chronic gout, left ankle and foot, with tophus (tophi) | Valid |
| M1A.479 | Other secondary chronic gout, unspecified ankle and foot | Not billable |
| M1A.4790 | Other secondary chronic gout, unspecified ankle and foot, without tophus (tophi) | Valid |
| M1A.4791 | Other secondary chronic gout, unspecified ankle and foot, with tophus (tophi) | Valid |
| M1A.48 | Other secondary chronic gout, vertebrae | Not billable |
| M1A.48X0 | Other secondary chronic gout, vertebrae, without tophus (tophi) | Valid |
| M1A.48X1 | Other secondary chronic gout, vertebrae, with tophus (tophi) | Valid |
| M1A.49 | Other secondary chronic gout, multiple sites | Not billable |
| M1A.49X0 | Other secondary chronic gout, multiple sites, without tophus (tophi) | Valid |
| M1A.49X1 | Other secondary chronic gout, multiple sites, with tophus (tophi) | Valid |
| M1A.9 | Chronic gout, unspecified | Not billable |
| M1A.9XX0 | Chronic gout, unspecified, without tophus (tophi) | Valid |
| M1A.9XX1 | Chronic gout, unspecified, with tophus (tophi) | Valid |
| M20 | Acquired deformities of fingers and toes | Not billable |
| M20.0 | Deformity of finger(s) | Not billable |
| M20.00 | Unspecified deformity of finger(s) | Not billable |
| M20.001 | Unspecified deformity of right finger(s) | Valid |
| M20.002 | Unspecified deformity of left finger(s) | Valid |
| M20.009 | Unspecified deformity of unspecified finger(s) | Valid |
| M20.01 | Mallet finger | Not billable |
| M20.011 | Mallet finger of right finger(s) | Valid |
| M20.012 | Mallet finger of left finger(s) | Valid |
| M20.019 | Mallet finger of unspecified finger(s) | Valid |
| M20.02 | Boutonniere deformity | Not billable |
| M20.021 | Boutonniere deformity of right finger(s) | Valid |
| M20.022 | Boutonniere deformity of left finger(s) | Valid |
| M20.029 | Boutonniere deformity of unspecified finger(s) | Valid |
| M20.03 | Swan-neck deformity | Not billable |
| M20.031 | Swan-neck deformity of right finger(s) | Valid |
| M20.032 | Swan-neck deformity of left finger(s) | Valid |
| M20.039 | Swan-neck deformity of unspecified finger(s) | Valid |
| M20.09 | Other deformity of finger(s) | Not billable |
| M20.091 | Other deformity of right finger(s) | Valid |
| M20.092 | Other deformity of left finger(s) | Valid |
| M20.099 | Other deformity of finger(s), unspecified finger(s) | Valid |
| M20.1 | Hallux valgus (acquired) | Not billable |
| M20.10 | Hallux valgus (acquired), unspecified foot | Valid |
| M20.11 | Hallux valgus (acquired), right foot | Valid |
| M20.12 | Hallux valgus (acquired), left foot | Valid |
| M20.2 | Hallux rigidus | Not billable |
| M20.20 | Hallux rigidus, unspecified foot | Valid |
| M20.21 | Hallux rigidus, right foot | Valid |
| M20.22 | Hallux rigidus, left foot | Valid |
| M20.3 | Hallux varus (acquired) | Not billable |
| M20.30 | Hallux varus (acquired), unspecified foot | Valid |
| M20.31 | Hallux varus (acquired), right foot | Valid |
| M20.32 | Hallux varus (acquired), left foot | Valid |
| M20.4 | Other hammer toe(s) (acquired) | Not billable |
| M20.40 | Other hammer toe(s) (acquired), unspecified foot | Valid |
| M20.41 | Other hammer toe(s) (acquired), right foot | Valid |
| M20.42 | Other hammer toe(s) (acquired), left foot | Valid |
| M20.5 | Other deformities of toe(s) (acquired) | Not billable |
| M20.5X | Other deformities of toe(s) (acquired) | Not billable |
| M20.5X1 | Other deformities of toe(s) (acquired), right foot | Valid |
| M20.5X2 | Other deformities of toe(s) (acquired), left foot | Valid |
| M20.5X9 | Other deformities of toe(s) (acquired), unspecified foot | Valid |
| M20.6 | Acquired deformities of toe(s), unspecified | Not billable |
| M20.60 | Acquired deformities of toe(s), unspecified, unspecified foot | Valid |
| M20.61 | Acquired deformities of toe(s), unspecified, right foot | Valid |
| M20.62 | Acquired deformities of toe(s), unspecified, left foot | Valid |
| M21 | Other acquired deformities of limbs | Not billable |
| M21.0 | Valgus deformity, not elsewhere classified | Not billable |
| M21.00 | Valgus deformity, not elsewhere classified, unspecified site | Valid |
| M21.02 | Valgus deformity, not elsewhere classified, elbow | Not billable |
| M21.021 | Valgus deformity, not elsewhere classified, right elbow | Valid |
| M21.022 | Valgus deformity, not elsewhere classified, left elbow | Valid |
| M21.029 | Valgus deformity, not elsewhere classified, unspecified elbow | Valid |
| M21.05 | Valgus deformity, not elsewhere classified, hip | Not billable |
| M21.051 | Valgus deformity, not elsewhere classified, right hip | Valid |
| M21.052 | Valgus deformity, not elsewhere classified, left hip | Valid |
| M21.059 | Valgus deformity, not elsewhere classified, unspecified hip | Valid |
| M21.06 | Valgus deformity, not elsewhere classified, knee | Not billable |
| M21.061 | Valgus deformity, not elsewhere classified, right knee | Valid |
| M21.062 | Valgus deformity, not elsewhere classified, left knee | Valid |
| M21.069 | Valgus deformity, not elsewhere classified, unspecified knee | Valid |
| M21.07 | Valgus deformity, not elsewhere classified, ankle | Not billable |
| M21.071 | Valgus deformity, not elsewhere classified, right ankle | Valid |
| M21.072 | Valgus deformity, not elsewhere classified, left ankle | Valid |
| M21.079 | Valgus deformity, not elsewhere classified, unspecified ankle | Valid |
| M21.1 | Varus deformity, not elsewhere classified | Not billable |
| M21.10 | Varus deformity, not elsewhere classified, unspecified site | Valid |
| M21.12 | Varus deformity, not elsewhere classified, elbow | Not billable |
| M21.121 | Varus deformity, not elsewhere classified, right elbow | Valid |
| M21.122 | Varus deformity, not elsewhere classified, left elbow | Valid |