ICD-10-CM › A00-B99 › A20-A28 › A21 Tularemia › A21.9
A21.9
Tularemia, 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 Tularemia, 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 A21 Tularemia
Includes
- deer-fly fever
- infection due to Francisella tularensis
- rabbit fever
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.
- Rabbit fever
- Fever > rabbit
- Pasteurellosis
- Febris, febrile
- Ohara's disease
- Fever > deer fly
- Francis' disease
- Fever > viral hemorrhagic
- Disease, diseased > Ohara's
- Disease, diseased > deer fly
- Disease, diseased > Francis'
- Infection, infected, infective > Francisella tularensis
- Infection, infected, infective > Pasteurella NEC > tularensis
- Tularemia
Codes in the same group
| Code | Description | Status |
|---|---|---|
| A21.0 | Ulceroglandular tularemia | Valid |
| A21.1 | Oculoglandular tularemia | Valid |
| A21.2 | Pulmonary tularemia | Valid |
| A21.3 | Gastrointestinal tularemia | Valid |
| A21.7 | Generalized tularemia | Valid |
| A21.8 | Other forms of tularemia | Valid |