Category M20

Acquired deformities of fingers and toes

Clinical Classification Guidelines

Specific Diagnosis Codes

Deformity of finger(s)
M20.0
Unspecified deformity of finger(s)
M20.00
Unspecified deformity of right finger(s)
M20.001
Unspecified deformity of left finger(s)
M20.002
Unspecified deformity of unspecified finger(s)
M20.009
Mallet finger
M20.01
Mallet finger of right finger(s)
M20.011
Mallet finger of left finger(s)
M20.012
Mallet finger of unspecified finger(s)
M20.019
Boutonnière deformity
M20.02
Boutonnière deformity of right finger(s)
M20.021
Boutonnière deformity of left finger(s)
M20.022
Boutonnière deformity of unspecified finger(s)
M20.029
Swan-neck deformity
M20.03
Swan-neck deformity of right finger(s)
M20.031
Swan-neck deformity of left finger(s)
M20.032
Swan-neck deformity of unspecified finger(s)
M20.039
Other deformity of finger(s)
M20.09
Other deformity of right finger(s)
M20.091
Other deformity of left finger(s)
M20.092
Other deformity of finger(s), unspecified finger(s)
M20.099
Hallux valgus (acquired)
M20.1
Hallux valgus (acquired), unspecified foot
M20.10
Hallux valgus (acquired), right foot
M20.11
Hallux valgus (acquired), left foot
M20.12
Hallux rigidus
M20.2
Hallux rigidus, unspecified foot
M20.20
Hallux rigidus, right foot
M20.21
Hallux rigidus, left foot
M20.22
Hallux varus (acquired)
M20.3
Hallux varus (acquired), unspecified foot
M20.30
Hallux varus (acquired), right foot
M20.31
Hallux varus (acquired), left foot
M20.32
Other hammer toe(s) (acquired)
M20.4
Other hammer toe(s) (acquired), unspecified foot
M20.40
Other hammer toe(s) (acquired), right foot
M20.41
Other hammer toe(s) (acquired), left foot
M20.42
Other deformities of toe(s) (acquired)
M20.5
Other deformities of toe(s) (acquired)
M20.5X
Other deformities of toe(s) (acquired), right foot
M20.5X1
Other deformities of toe(s) (acquired), left foot
M20.5X2
Other deformities of toe(s) (acquired), unspecified foot
M20.5X9
Acquired deformities of toe(s), unspecified
M20.6
Acquired deformities of toe(s), unspecified, unspecified foot
M20.60
Acquired deformities of toe(s), unspecified, right foot
M20.61
Acquired deformities of toe(s), unspecified, left foot
M20.62