10ICD Code Hub

A22

Header — not billable

Anthrax

The ICD-10 code for anthrax is A22.

A22 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.

Clinical notes

Includes

Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.

  • infection due to Bacillus anthracis

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under A22

Related codes in this category