1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A75-A79 Rickettsioses
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4. A75- Typhus fever
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5. 2022 ICD-10-CM Diagnosis Code A75.2

2022 ICD-10-CM Diagnosis Code A75.2

Typhus fever due to Rickettsia typhi

2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

• A75.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2022 edition of ICD-10-CM A75.2 became effective on October 1, 2021.
• This is the American ICD-10-CM version of A75.2 - other international versions of ICD-10 A75.2 may differ.

• Murine typhus
• Typhus, murine

• A bacterial infection caused by rickettsia typhi or rickettsia felis. It is transmitted to humans from infected rat fleas. Symptoms include fever, headache, joint and muscle pain, and weakness.
• An infectious disease clinically similar to epidemic louse-borne typhus (typhus, epidemic louse-borne), but caused by rickettsia typhi, which is transmitted from rat to man by the rat flea, xenopsylla cheopis.

• 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 A75.2 to ICD-9-CM

• 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

• Body, bodies
  • Mooser's A75.2
• Disease, diseased - see also Syndrome
  • Maxcy's A75.2
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
  ICD-10-CM Diagnosis Code R50.9

  Fever, unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Applicable To

  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS
  • Mexican A75.2
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • typhus A75.9
    ICD-10-CM Diagnosis Code A75.9

    Typhus fever, unspecified

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Typhus (fever) NOS
    • flea-borne A75.2
• Maxcy's disease A75.2
• Mooser-Neill reaction A75.2
• Mooser's bodies A75.2
• Tabardillo A75.9
  ICD-10-CM Diagnosis Code A75.9

  Typhus fever, unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Applicable To

  • Typhus (fever) NOS
  • flea-borne A75.2
• Typhus (fever) A75.9
  ICD-10-CM Diagnosis Code A75.9

  Typhus fever, unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Applicable To

  • Typhus (fever) NOS
  • due to Rickettsia
    • typhi A75.2
  • exanthematicus SAI A75.0
    ICD-10-CM Diagnosis Code A75.0

    Epidemic louse-borne typhus fever due to Rickettsia prowazekii

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Classical typhus (fever)
    • Epidemic (louse-borne) typhus
    • mexicanus SAI A75.2
    • typhus murinus A75.2
  • endemic A75.2 (flea-borne)
  • flea-borne A75.2
  • Mexican A75.2
  • murine A75.2
  • rat A75.2
  • shop A75.2 (of Malaysia)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.