ICD-10-CM Code M20: Acquired deformities of fingers and toes and Related Diagnosis Codes.

The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • M20 - Acquired deformities of fingers and toes
    • M20.0 - Deformity of finger(s)
      • M20.00 - Unspecified deformity of finger(s)
        • M20.001 - Unspecified deformity of right finger(s)
        • M20.002 - Unspecified deformity of left finger(s)
        • M20.009 - Unspecified deformity of unspecified finger(s)
      • M20.01 - Mallet finger
        • M20.011 - Mallet finger of right finger(s)
        • M20.012 - Mallet finger of left finger(s)
        • M20.019 - Mallet finger of unspecified finger(s)
      • M20.02 - Boutonniere deformity
        • M20.021 - Boutonniere deformity of right finger(s)
        • M20.022 - Boutonniere deformity of left finger(s)
        • M20.029 - Boutonniere deformity of unspecified finger(s)
      • M20.03 - Swan-neck deformity
        • M20.031 - Swan-neck deformity of right finger(s)
        • M20.032 - Swan-neck deformity of left finger(s)
        • M20.039 - Swan-neck deformity of unspecified finger(s)
      • M20.09 - Other deformity of finger(s)
        • M20.091 - Other deformity of right finger(s)
        • M20.092 - Other deformity of left finger(s)
        • M20.099 - Other deformity of finger(s), unspecified finger(s)
    • M20.1 - Hallux valgus (acquired)
      • M20.10 - Hallux valgus (acquired), unspecified foot
      • M20.11 - Hallux valgus (acquired), right foot
      • M20.12 - Hallux valgus (acquired), left foot
    • M20.2 - Hallux rigidus
      • M20.20 - Hallux rigidus, unspecified foot
      • M20.21 - Hallux rigidus, right foot
      • M20.22 - Hallux rigidus, left foot
    • M20.3 - Hallux varus (acquired)
      • M20.30 - Hallux varus (acquired), unspecified foot
      • M20.31 - Hallux varus (acquired), right foot
      • M20.32 - Hallux varus (acquired), left foot
    • M20.4 - Other hammer toe(s) (acquired)
      • M20.40 - Other hammer toe(s) (acquired), unspecified foot
      • M20.41 - Other hammer toe(s) (acquired), right foot
      • M20.42 - Other hammer toe(s) (acquired), left foot
    • M20.5 - Other deformities of toe(s) (acquired)
      • M20.5X - Other deformities of toe(s) (acquired)
        • M20.5X1 - Other deformities of toe(s) (acquired), right foot
        • M20.5X2 - Other deformities of toe(s) (acquired), left foot
        • M20.5X9 - Other deformities of toe(s) (acquired), unspecified foot
    • M20.6 - Acquired deformities of toe(s), unspecified
      • M20.60 - Acquired deformities of toe(s), unspecified, unspecified foot
      • M20.61 - Acquired deformities of toe(s), unspecified, right foot
      • M20.62 - Acquired deformities of toe(s), unspecified, left foot
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Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.