A23 Brucellosis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Brucellosis is A23 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
A20-A28: Certain zoonotic bacterial diseases (A20-A28)
Category A23
7 codes (6 billable)
FY2026 Status
Stable since FY2024
Includes
  • Malta fever
  • Mediterranean fever
  • undulant fever

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference A23 with the canonical source and edition:

A23 — Brucellosis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A23

Canonical URL: https://icd10codingpro.com/codes/A23

Related Codes

All Codes in A23

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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