1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A20-A28 Certain zoonotic bacterial diseases
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4. A25- Rat-bite fevers
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5. 2021 ICD-10-CM Diagnosis Code A25.1

2021 ICD-10-CM Diagnosis Code A25.1

Streptobacillosis

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• A25.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM A25.1 became effective on October 1, 2020.
• This is the American ICD-10-CM version of A25.1 - other international versions of ICD-10 A25.1 may differ.

• Streptobacillary fever

• 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 A25.1 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

• Actinobacillosis, actinobacillus A28.8
  ICD-10-CM Diagnosis Code A28.8

  Other specified zoonotic bacterial diseases, not elsewhere classified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • muris A25.1
• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
  ICD-10-CM Diagnosis Code M19.90

  Unspecified osteoarthritis, unspecified site

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Arthrosis NOS
  • Arthritis NOS
  • Osteoarthritis NOS
  • due to or associated with
    • erythema
      • epidemic A25.1
    • rat bite fever A25.1 - see also category M01
  • epidemic erythema A25.1
• Erythema, erythematous (infectional) (inflammation) L53.9
  ICD-10-CM Diagnosis Code L53.9

  Erythematous condition, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Erythema NOS
  • Erythroderma NOS
  • arthriticum epidemicum A25.1
  • epidemic, arthritic A25.1
• 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 Billable/Specific Code

  Applicable To

  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS
  • rat-bite A25.9
    ICD-10-CM Diagnosis Code A25.9

    Rat-bite fever, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • due to
      • Streptobacillus moniliformis A25.1
  • Haverhill A25.1
  • streptobacillary A25.1
• Haverhill fever A25.1
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • Actinobacillus (actinomycetem-comitans) A28.8
    ICD-10-CM Diagnosis Code A28.8

    Other specified zoonotic bacterial diseases, not elsewhere classified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • muris A25.1
  • streptobacillus moniliformis A25.1
• Rat-bite fever A25.9
  ICD-10-CM Diagnosis Code A25.9

  Rat-bite fever, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • due to Streptobacillus moniliformis A25.1
• Streptobacillary fever A25.1
• Streptobacillosis A25.1
• Streptobacillus moniliformis A25.1

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