2024 ICD-10-CM Diagnosis Code A75

Typhus fever

  • A75 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 A75 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A75 – other international versions of ICD-10 A75 may differ.

AD

Type 1 Excludes

  • rickettsiosis due to Ehrlichia sennetsu (A79.81)

The following code(s) above A75 contain annotation back-references

 that may be applicable to A75:

  • A00-B99  Certain infectious and parasitic diseases

Clinical Information

  • Group of acute, arthropod borne infections caused by rickettsiae; includes epidemic (classic or louse-borne) typhus, its recrudescent form, and murine (endemic or flea-borne) typhus; all are characterized by severe headache, chills, high fever, stupor, and rash.

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