A23: Brucellosis
Codes under A23 (Brucellosis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A23.0 | Brucellosis due to Brucella melitensis | ✓ |
| A23.0 | Brucellosis due to Brucella melitensis | ✓ |
| A23.1 | Brucellosis due to Brucella abortus | ✓ |
| A23.1 | Brucellosis due to Brucella abortus | ✓ |
| A23.2 | Brucellosis due to Brucella suis | ✓ |
| A23.2 | Brucellosis due to Brucella suis | ✓ |
| A23.3 | Brucellosis due to Brucella canis | ✓ |
| A23.3 | Brucellosis due to Brucella canis | ✓ |
| A23.8 | Other brucellosis | ✓ |
| A23.8 | Other brucellosis | ✓ |
| A23.9 | Brucellosis, unspecified | ✓ |
| A23.9 | Brucellosis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code A23?
A23 is an ICD-10-CM category covering Brucellosis. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is A23 a billable code?
No — A23 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 A23.0 — Brucellosis due to Brucella melitensis). 12 of the 12 codes under A23 are billable.
What codes fall under A23?
A23 includes A23.0, A23.0, A23.1, A23.1, A23.2, plus 7 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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