A28: Other zoonotic bacterial diseases, not elsewhere classified
Codes under A28 (Other zoonotic bacterial diseases, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A28.0 | Pasteurellosis | ✓ |
| A28.0 | Pasteurellosis | ✓ |
| A28.1 | Cat-scratch disease | ✓ |
| A28.1 | Cat-scratch disease | ✓ |
| A28.2 | Extraintestinal yersiniosis | ✓ |
| A28.2 | Extraintestinal yersiniosis | ✓ |
| A28.8 | Other specified zoonotic bacterial diseases, not elsewhere classified | ✓ |
| A28.8 | Other specified zoonotic bacterial diseases, not elsewhere classified | ✓ |
| A28.9 | Zoonotic bacterial disease, unspecified | ✓ |
| A28.9 | Zoonotic bacterial disease, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code A28?
A28 is an ICD-10-CM category covering Other zoonotic bacterial diseases, not elsewhere classified. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is A28 a billable code?
No — A28 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example A28.0 — Pasteurellosis). 10 of the 10 codes under A28 are billable.
What codes fall under A28?
A28 includes A28.0, A28.0, A28.1, A28.1, A28.2, plus 5 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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