2024 ICD-10-CM Diagnosis Code A75.3

Typhus fever due to Rickettsia tsutsugamushi

  • A75.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A75.3 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A75.3 – other international versions of ICD-10 A75.3 may differ.

Applicable To

  • Scrub (mite-borne) typhus
  • Tsutsugamushi fever
  • Typhus fever due to Orientia Tsutsugamushi (scrub typhus)

The following code(s) above A75.3 contain annotation back-references

 that may be applicable to A75.3:

  • A00-B99  Certain infectious and parasitic diseases
  • A75  Typhus fever

Approximate Synonyms

  • Scrub typhus
  • Typhus, scrub

Clinical Information

  • An acute infectious disease caused by orientia tsutsugamushi. It is limited to eastern and southeastern asia, india, northern australia, and the adjacent islands. Characteristics include the formation of a primary cutaneous lesion at the site of the bite of an infected mite, fever lasting about two weeks, and a maculopapular rash.

ICD-10-CM A75.3 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A75.3 to ICD-9-CMCode 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

Diagnosis Index entries containing back-references to A75.3:

  • Disease, diseased – see also Syndrome
    • akamushi A75.3 (scrub typhus)
    • island A75.3 (scrub typhus)
    • Kedani A75.3 (scrub typhus)
    • shimamushi A75.3 (scrub typhus)
    • tsutsugamushi A75.3
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
    • Japanese river A75.3
    • kedani A75.3
    • Sumatran mite A75.3
    • tsutsugamushi A75.3
  • Infection, infected, infective (opportunistic) B99.9
  • Japanese
    • river fever A75.3
  • Kedani fever A75.3
  • Sumatran mite fever A75.3
  • Tsutsugamushi A75.3 (disease) (fever)
  • Typhus (fever) A75.9
    • due to Rickettsia
      • tsutsugamushi A75.3
    • mite-borne A75.3
    • Orientia Tsutsugamushi A75.3 (scrub typhus)
    • scrub A75.3 (China) (India) (Malaysia) (New Guinea)
    • tropical A75.3 (mite-borne)