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A23

Non-billable

Brucellosis

A23 is the ICD-10-CM code for Brucellosis. It is a non-billable category code — use a more specific child code such as A23.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
6
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Animal diseases that people can catch are called zoonoses. Many diseases affecting humans can be traced to animals or animal products. You can get a disease directly from an animal, or indirectly, through the environment. Farm animals can carry diseases. If you touch them or things they have touched, like fencing or buckets, wash your hands thoroughly. Adults should make sure children who visit farms or petting zoos…

Read more about Animal Diseases and Your Health at MedlinePlus ↗
Bacterial Infections ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • •Malta fever
  • •Mediterranean fever
  • •undulant fever

Frequently asked questions

What is ICD-10 code A23?
A23 is the ICD-10-CM code for "Brucellosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A23 a billable code?
No — A23 is a non-billable header code. Use a more specific child code (such as A23.0) for billing.
What are the subcodes of A23?
A23 has 6 more specific child codes, including A23.0, A23.1, A23.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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