Index Terms Starting With 'M' (Myotonia)

  • Myotonia (acquisita) (intermittens) M62.89
    ICD-10-CM Diagnosis Code M62.89

    Other specified disorders of muscle

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Muscle (sheath) hernia

    • atrophica G71.11
      ICD-10-CM Diagnosis Code G71.11

      Myotonic muscular dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Dystrophia myotonica [Steinert]
      • Myotonia atrophica
      • Myotonic dystrophy
      • Proximal myotonic myopathy (PROMM)
      • Steinert disease
    • chondrodystrophic G71.13
      ICD-10-CM Diagnosis Code G71.13

      Myotonic chondrodystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Chondrodystrophic myotonia
      • Congenital myotonic chondrodystrophy
      • Schwartz-Jampel disease
    • congenita G71.12
      (acetazolamide responsive) (dominant) (recessive)
      ICD-10-CM Diagnosis Code G71.12

      Myotonia congenita

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Acetazolamide responsive myotonia congenita
      • Dominant myotonia congenita [Thomsen disease]
      • Myotonia levior
      • Recessive myotonia congenita [Becker disease]
    • drug-induced G71.14
      ICD-10-CM Diagnosis Code G71.14

      Drug induced myotonia

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Use Additional
      • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    • dystrophica G71.11
      ICD-10-CM Diagnosis Code G71.11

      Myotonic muscular dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Dystrophia myotonica [Steinert]
      • Myotonia atrophica
      • Myotonic dystrophy
      • Proximal myotonic myopathy (PROMM)
      • Steinert disease
    • fluctuans G71.19
      ICD-10-CM Diagnosis Code G71.19

      Other specified myotonic disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Myotonia fluctuans
      • Myotonia permanens
      • Neuromyotonia [Isaacs]
      • Paramyotonia congenita (of von Eulenburg)
      • Pseudomyotonia
      • Symptomatic myotonia
    • levior G71.12
      ICD-10-CM Diagnosis Code G71.12

      Myotonia congenita

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Acetazolamide responsive myotonia congenita
      • Dominant myotonia congenita [Thomsen disease]
      • Myotonia levior
      • Recessive myotonia congenita [Becker disease]
    • permanens G71.19
      ICD-10-CM Diagnosis Code G71.19

      Other specified myotonic disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Myotonia fluctuans
      • Myotonia permanens
      • Neuromyotonia [Isaacs]
      • Paramyotonia congenita (of von Eulenburg)
      • Pseudomyotonia
      • Symptomatic myotonia
    • symptomatic G71.19
      ICD-10-CM Diagnosis Code G71.19

      Other specified myotonic disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Myotonia fluctuans
      • Myotonia permanens
      • Neuromyotonia [Isaacs]
      • Paramyotonia congenita (of von Eulenburg)
      • Pseudomyotonia
      • Symptomatic myotonia