U.S. ICD-10-CM · FY 2027

A05 ICD-10-CM Code: Other bacterial foodborne intoxications, 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

A05

Other bacterial foodborne intoxications, not elsewhere classified

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

Classification

Where A05 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Intestinal infectious diseases (A00-A09)

  3. 3

    Category A05

    Other bacterial foodborne intoxications, not elsewhere classified

  4. 4

    Code A05

    Other bacterial foodborne intoxications, not elsewhere classified

More specific choices

Codes under A05

A05 is a non-billable category. Choose the child code that best matches the documented diagnosis.

A05.0

Foodborne staphylococcal intoxication

A05.1

Botulism food poisoning

A05.2

Foodborne Clostridium perfringens [Clostridium welchii] intoxication

A05.3

Foodborne Vibrio parahaemolyticus intoxication

A05.4

Foodborne Bacillus cereus intoxication

A05.5

Foodborne Vibrio vulnificus intoxication

A05.8

Other specified bacterial foodborne intoxications

A05.9

Bacterial foodborne intoxication, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for A05.

Code first

No “code first” instruction is listed for A05.

Use additional code

No “use additional code” instruction is listed for A05.

Excludes1

Conditions that should not be reported together with this code.

  • Clostridium difficile foodborne intoxication and infection (A04.7-)
  • Escherichia coli infection (A04.0-A04.4)
  • listeriosis (A32.-)
  • salmonella foodborne intoxication and infection (A02.-)
  • toxic effect of noxious foodstuffs (T61-T62)

Excludes2

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

No Excludes2 note is listed for A05.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 A05 mean?

A05 is the FY 2027 U.S. ICD-10-CM code for “Other bacterial foodborne intoxications, not elsewhere classified.”

Is A05 a billable or specific ICD-10-CM code?

No. A05 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 A05 located in ICD-10-CM?

A05 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Intestinal infectious diseases (A00-A09) (A00–A09), under category A05, Other bacterial foodborne intoxications, not elsewhere classified.

What coding notes are listed for A05?

No inclusion terms are listed for A05 in this reference record. No code-first instruction is listed. Excludes1 notes: Clostridium difficile foodborne intoxication and infection (A04.7-); Escherichia coli infection (A04.0-A04.4); listeriosis (A32.-); salmonella foodborne intoxication and infection (A02.-); toxic effect of noxious foodstuffs (T61-T62). No Excludes2 note is listed.

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