1. 2021 ICD-10-CM Index
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2. 'O' Terms
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3. Index Terms Starting With 'O' (Obesity)

Index Terms Starting With 'O' (Obesity)

• Obesity E66.9

  ICD-10-CM Diagnosis Code E66.9

  Obesity, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx

  Applicable To

  • Obesity NOS

  • adrenal E27.8
    ICD-10-CM Diagnosis Code E27.8

    Other specified disorders of adrenal gland

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Abnormality of cortisol-binding globulin
  • complicating
    • childbirth O99.214
      ICD-10-CM Diagnosis Code O99.214

      Obesity complicating childbirth

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
    • pregnancy O99.21-
      ICD-10-CM Diagnosis Code O99.21-

      Obesity complicating pregnancy, childbirth, and the puerperium

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code

      Use Additional

      • code to identify the type of obesity (E66.-)
    • puerperium O99.215
      ICD-10-CM Diagnosis Code O99.215

      Obesity complicating the puerperium

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
  • constitutional E66.8
    ICD-10-CM Diagnosis Code E66.8

    Other obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • dietary counseling and surveillance Z71.3
    ICD-10-CM Diagnosis Code Z71.3

    Dietary counseling and surveillance

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

    Use Additional

    • code for any associated underlying medical condition
  • drug-induced E66.1
    ICD-10-CM Diagnosis Code E66.1

    Drug-induced obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx

    Use Additional

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • due to
    • drug E66.1
      ICD-10-CM Diagnosis Code E66.1

      Drug-induced obesity

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx

      Use Additional

      • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    • excess calories E66.09
      ICD-10-CM Diagnosis Code E66.09

      Other obesity due to excess calories

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
      • morbid E66.01
        ICD-10-CM Diagnosis Code E66.01

        Morbid (severe) obesity due to excess calories

        2016 2017 2018 2019 2020 2021 Billable/Specific Code

        Type 1 Excludes

        • morbid (severe) obesity with alveolar hypoventilation (E66.2)
      • severe E66.01
        ICD-10-CM Diagnosis Code E66.01

        Morbid (severe) obesity due to excess calories

        2016 2017 2018 2019 2020 2021 Billable/Specific Code

        Type 1 Excludes

        • morbid (severe) obesity with alveolar hypoventilation (E66.2)
  • endocrine E66.8
    ICD-10-CM Diagnosis Code E66.8

    Other obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • endogenous E66.8
    ICD-10-CM Diagnosis Code E66.8

    Other obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • exogenous E66.09
    ICD-10-CM Diagnosis Code E66.09

    Other obesity due to excess calories

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • familial E66.8
    ICD-10-CM Diagnosis Code E66.8

    Other obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • glandular E66.8
    ICD-10-CM Diagnosis Code E66.8

    Other obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • hypothyroid - see Hypothyroidism
  • hypoventilation syndrome E66.2
    (OHS)
    ICD-10-CM Diagnosis Code E66.2

    Morbid (severe) obesity with alveolar hypoventilation

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Obesity hypoventilation syndrome (OHS)
    • Pickwickian syndrome
  • morbid E66.01
    ICD-10-CM Diagnosis Code E66.01

    Morbid (severe) obesity due to excess calories

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Type 1 Excludes

    • morbid (severe) obesity with alveolar hypoventilation (E66.2)
    • due to excess calories E66.01
      ICD-10-CM Diagnosis Code E66.01

      Morbid (severe) obesity due to excess calories

      2016 2017 2018 2019 2020 2021 Billable/Specific Code

      Type 1 Excludes

      • morbid (severe) obesity with alveolar hypoventilation (E66.2)
    • with
      • alveolar hypoventilation E66.2
        ICD-10-CM Diagnosis Code E66.2

        Morbid (severe) obesity with alveolar hypoventilation

        2016 2017 2018 2019 2020 2021 Billable/Specific Code

        Applicable To

        • Obesity hypoventilation syndrome (OHS)
        • Pickwickian syndrome
      • obesity hypoventilation syndrome E66.2
        (OHS)
        ICD-10-CM Diagnosis Code E66.2

        Morbid (severe) obesity with alveolar hypoventilation

        2016 2017 2018 2019 2020 2021 Billable/Specific Code

        Applicable To

        • Obesity hypoventilation syndrome (OHS)
        • Pickwickian syndrome
  • nutritional E66.09
    ICD-10-CM Diagnosis Code E66.09

    Other obesity due to excess calories

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • pituitary E23.6
    ICD-10-CM Diagnosis Code E23.6

    Other disorders of pituitary gland

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Abscess of pituitary
    • Adiposogenital dystrophy
  • severe E66.01
    ICD-10-CM Diagnosis Code E66.01

    Morbid (severe) obesity due to excess calories

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Type 1 Excludes

    • morbid (severe) obesity with alveolar hypoventilation (E66.2)
  • specified type NEC E66.8
    ICD-10-CM Diagnosis Code E66.8

    Other obesity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
  • with alveolar hypoventilation E66.2
    ICD-10-CM Diagnosis Code E66.2

    Morbid (severe) obesity with alveolar hypoventilation

    2016 2017 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Obesity hypoventilation syndrome (OHS)
    • Pickwickian syndrome