1. 2023 ICD-10-CM Index
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2. 'M' Terms
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3. Index Terms Starting With 'M' (Maldevelopment)

Index Terms Starting With 'M' (Maldevelopment)

• Maldevelopment - see also Anomaly

  • brain Q07.9
    ICD-10-CM Diagnosis Code Q07.9

    Congenital malformation of nervous system, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Congenital anomaly NOS of nervous system
    • Congenital deformity NOS of nervous system
    • Congenital disease or lesion NOS of nervous system
  • colon Q43.9
    ICD-10-CM Diagnosis Code Q43.9

    Congenital malformation of intestine, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  • hip Q74.2
    ICD-10-CM Diagnosis Code Q74.2

    Other congenital malformations of lower limb(s), including pelvic girdle

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Congenital fusion of sacroiliac joint
    • Congenital malformation of ankle joint
    • Congenital malformation of sacroiliac joint

    Type 1 Excludes

    • anteversion of femur (neck) (Q65.89)
    • congenital dislocation Q65.2
      ICD-10-CM Diagnosis Code Q65.2

      Congenital dislocation of hip, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
      • bilateral Q65.1
        ICD-10-CM Diagnosis Code Q65.1

        Congenital dislocation of hip, bilateral

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
      • unilateral Q65.0-
        ICD-10-CM Diagnosis Code Q65.0-

        Congenital dislocation of hip, unilateral

        2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • mastoid process Q75.8
    ICD-10-CM Diagnosis Code Q75.8

    Other specified congenital malformations of skull and face bones

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Absence of skull bone, congenital
    • Congenital deformity of forehead
    • Platybasia
  • middle ear Q16.4
    ICD-10-CM Diagnosis Code Q16.4

    Other congenital malformations of middle ear

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Congenital malformation of middle ear NOS
    • except ossicles Q16.4
      ICD-10-CM Diagnosis Code Q16.4

      Other congenital malformations of middle ear

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

      Applicable To

      • Congenital malformation of middle ear NOS
    • ossicles Q16.3
      ICD-10-CM Diagnosis Code Q16.3

      Congenital malformation of ear ossicles

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

      Applicable To

      • Congenital fusion of ear ossicles
  • ossicles Q16.3
    ICD-10-CM Diagnosis Code Q16.3

    Congenital malformation of ear ossicles

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Congenital fusion of ear ossicles
  • spine Q76.49
    ICD-10-CM Diagnosis Code Q76.49

    Other congenital malformations of spine, not associated with scoliosis

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Congenital absence of vertebra NOS
    • Congenital fusion of spine NOS
    • Congenital malformation of lumbosacral (joint) (region) NOS
    • Congenital malformation of spine NOS
    • Hemivertebra NOS
    • Malformation of spine NOS
    • Platyspondylisis NOS
    • Supernumerary vertebra NOS
  • toe Q74.2
    ICD-10-CM Diagnosis Code Q74.2

    Other congenital malformations of lower limb(s), including pelvic girdle

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

    Applicable To

    • Congenital fusion of sacroiliac joint
    • Congenital malformation of ankle joint
    • Congenital malformation of sacroiliac joint

    Type 1 Excludes

    • anteversion of femur (neck) (Q65.89)