ICD-10-CM › A00-B99 › A20-A28 › A22 Anthrax › A22.9
A22.9
Anthrax, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Anthrax, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from A22 Anthrax
Includes
- infection due to Bacillus anthracis
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Bacillus
- Febris, febrile
- Fever > splenic
- Fever > viral hemorrhagic
- Infection, infected, infective > anthrax
- Infection, infected, infective > Bacillus > anthracis
- Anthrax
- Chabert's disease
- Disease, diseased > Chabert's
- Bacillus > anthracis infection
Codes in the same group
| Code | Description | Status |
|---|---|---|
| A22.0 | Cutaneous anthrax | Valid |
| A22.1 | Pulmonary anthrax | Valid |
| A22.2 | Gastrointestinal anthrax | Valid |
| A22.7 | Anthrax sepsis | Valid |
| A22.8 | Other forms of anthrax | Valid |