2024 ICD-10-CM Diagnosis Code A22.1

Pulmonary anthrax

• A22.1 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 A22.1 became effective on October 1, 2023.
• This is the American ICD-10-CM version of A22.1 – other international versions of ICD-10 A22.1 may differ.

Applicable To

• Inhalation anthrax
• Ragpicker’s disease
• Woolsorter’s disease

The following code(s) above A22.1 contain annotation back-references

 that may be applicable to A22.1:

• A00-B99  Certain infectious and parasitic diseases
• A22  Anthrax

Approximate Synonyms

• Anthrax pneumonia

ICD-10-CM A22.1 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

• 177 Respiratory infections and inflammations with mcc
• 178 Respiratory infections and inflammations with cc
• 179 Respiratory infections and inflammations without cc/mcc

Convert A22.1 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

Code annotations containing back-references to A22.1:

• Type 1 Excludes: J17

Diagnosis Index entries containing back-references to A22.1:

• AnthraxA22.9
  • with pneumonia A22.1
  • inhalation A22.1
  • pulmonary A22.1
  • respiratory A22.1
• Disease, diseased – see also Syndrome
  • ragpicker’s or ragsorter’s A22.1
  • woolsorter’s A22.1
• Inhalation
  • anthrax A22.1
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
  • in (due to)
    • anthrax A22.1
    • Bacillus anthracis A22.1
  • anthrax A22.1
• Ragpicker’s disease A22.1
• Ragsorter’s disease A22.1
• Woolsorter’s disease A22.1