Coding and coverage · ICD-10-CM

A05 Other bacterial foodborne intoxications, not elsewhere classified

Not billable (header)Chapter 1

Report one of the more specific codes below.

Codes under this one

  • 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

Instructional notes

Chapter 1

Excludes2Not included here: the patient may have both; report both when both are present.
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use additional codeAdd a second code for the full picture.
  • code to identify resistance to antimicrobial drugs (Z16.-)
Includes
  • diseases generally recognized as communicable or transmissible

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • 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)

Chapter 1: Certain infectious and parasitic diseases · A00-A09 Intestinal infectious diseases (A00-A09)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.