A05.2 – Foodborne Clostridium perfringens [Clostridium welchii] intoxication

ICD-10-CM 2027 diagnosis code · Intestinal infectious diseases

Billable code

ICD-10-CM code A05.2

Code: A05.2 (claims format: A052)
Description: Foodborne Clostridium perfringens [Clostridium welchii] intoxication
Short description: Foodborne Clostridium perfringens intoxication
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A00-A09 Intestinal infectious diseases
Parent codes: A05

Notes for A05.2

Applicable to:

Enteritis necroticans
Pig-bel

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A05 – Other bacterial foodborne intoxications, not elsewhere classified

Excludes1 (not coded here):

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)

Index terms for A05.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A05

A05.0 – Foodborne staphylococcal intoxicationBillable
A05.1 – Botulism food poisoningBillable
A05.3 – Foodborne Vibrio parahaemolyticus intoxicationBillable
A05.4 – Foodborne Bacillus cereus intoxicationBillable
A05.5 – Foodborne Vibrio vulnificus intoxicationBillable
A05.8 – Other specified bacterial foodborne intoxicationsBillable
A05.9 – Bacterial foodborne intoxication, unspecifiedBillable

Frequently asked questions

What is ICD-10 code A05.2?

A05.2 is the ICD-10-CM code for foodborne Clostridium perfringens [Clostridium welchii] intoxication, in the block A00-A09 (Intestinal infectious diseases).

Is A05.2 a billable code?

Yes. A05.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A05.2 belong to?

It belongs to category A05 – Other bacterial foodborne intoxications, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.