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. A22- Anthrax
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5. 2021 ICD-10-CM Diagnosis Code A22.8

2021 ICD-10-CM Diagnosis Code A22.8

Other forms of anthrax

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• A22.8 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 A22.8 became effective on October 1, 2020.
• This is the American ICD-10-CM version of A22.8 - other international versions of ICD-10 A22.8 may differ.

• Anthrax meningitis
• Meningitis caused by bacillus anthracis

• 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 A22.8 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

• Anthrax A22.9
  ICD-10-CM Diagnosis Code A22.9

  Anthrax, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • cerebral A22.8
  • meningitis A22.8
  • specified manifestation NEC A22.8
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
  ICD-10-CM Diagnosis Code G03.9

  Meningitis, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Arachnoiditis (spinal) NOS
  • in (due to)
    • anthrax A22.8

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