U.S. ICD-10-CM · FY 2027

A28 ICD-10-CM Code: Other zoonotic bacterial diseases, not elsewhere classified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

A28

Other zoonotic bacterial diseases, not elsewhere classified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where A28 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Certain zoonotic bacterial diseases (A20-A28)

  3. 3

    Category A28

    Other zoonotic bacterial diseases, not elsewhere classified

  4. 4

    Code A28

    Other zoonotic bacterial diseases, not elsewhere classified

More specific choices

Codes under A28

A28 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for A28.

Code first

No “code first” instruction is listed for A28.

Use additional code

No “use additional code” instruction is listed for A28.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for A28.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for A28.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code A28 mean?

A28 is the FY 2027 U.S. ICD-10-CM code for “Other zoonotic bacterial diseases, not elsewhere classified.”

Is A28 a billable or specific ICD-10-CM code?

No. A28 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is A28 located in ICD-10-CM?

A28 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Certain zoonotic bacterial diseases (A20-A28) (A20–A28), under category A28, Other zoonotic bacterial diseases, not elsewhere classified.

What coding notes are listed for A28?

No inclusion terms are listed for A28 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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