2024 ICD-10-CM Diagnosis Code A42

by

Actinomycosis

  • A42 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM A42 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A42 – other international versions of ICD-10 A42 may differ.

Type 1 Excludes

The following code(s) above A42 contain annotation back-references

 that may be applicable to A42:

  • A00-B99  Certain infectious and parasitic diseases

Clinical Information

  • An infectious process caused by bacteria of the actinomyces species. It is characterized by the formation of purulent and painful abscesses in the mouth, lungs and gastrointestinal tract.
  • Infections with bacteria of the genus actinomyces.

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change