2023 ICD-10-CM Index
'A' Terms
Index Terms Starting With 'A' (Activation)

Index Terms Starting With 'A' (Activation)

Activation
- mast cell (disorder) (syndrome) D89.40
  ICD-10-CM Diagnosis Code D89.40
  Mast cell activation, unspecified
  2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Mast cell activation disorder, unspecified
  Mast cell activation syndrome, NOS
  - idiopathic D89.42
    ICD-10-CM Diagnosis Code D89.42
    Idiopathic mast cell activation syndrome
    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - monoclonal D89.41
    ICD-10-CM Diagnosis Code D89.41
    Monoclonal mast cell activation syndrome
    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - secondary D89.43
    ICD-10-CM Diagnosis Code D89.43
    Secondary mast cell activation
    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    Secondary mast cell activation syndrome
    Code Also
    underlying etiology, if known
  - specified type NEC D89.49
    ICD-10-CM Diagnosis Code D89.49
    Other mast cell activation disorder
    2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    Other mast cell activation syndrome