A05
Non-Billable

Other bacterial foodborne intoxications, not elsewhere classified

Non-Billable / Non-Specific Code

What is Other bacterial foodborne intoxications, not elsewhere classified?

ICD-10-CM A05 is the diagnosis code for Other bacterial foodborne intoxications, not elsewhere classified. This code falls under the section "Intestinal infectious diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for A05

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as A05. They are mutually exclusive:

  • 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)

ICD-10-CM Code Hierarchy

Understanding where A05 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeA05 — Other bacterial foodborne intoxications, not elsewhere classified
Sub-Codes 8 entries
A05.0Foodborne staphylococcal intoxicationBillableA05.1Botulism food poisoningBillableA05.2Foodborne Clostridium perfringens [Clostridium welchii] intoxicationBillableA05.3Foodborne Vibrio parahaemolyticus intoxicationBillableA05.4Foodborne Bacillus cereus intoxicationBillableA05.5Foodborne Vibrio vulnificus intoxicationBillableA05.8Other specified bacterial foodborne intoxicationsBillableA05.9Bacterial foodborne intoxication, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is A05 a billable ICD-10-CM code?

No, A05 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A05 mean?

A05 is the ICD-10-CM diagnosis code for "Other bacterial foodborne intoxications, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is A05 in?

A05 is located in Section A00-A09 — "Intestinal infectious diseases" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of A05?

A05 has 8 sub-code(s) that provide more specific detail: A05.0, A05.1, A05.2, A05.3, A05.4 and more.

When should I use A05?

Use A05 when the patients documented diagnosis matches "Other bacterial foodborne intoxications, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other bacterial foodborne intoxications, not elsewhere classified?

The ICD-10-CM code for Other bacterial foodborne intoxications, not elsewhere classified is A05.

Can A05 be used for primary diagnosis?

No, A05 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A05 in?

A05 is in Chapter 1 of the ICD-10-CM Tabular List.

What conditions are excluded from A05?

Type 1 Excludes for A05 include: Clostridium difficile foodborne intoxication and infection (A04.7-); Escherichia coli infection (A04.0-A04.4); listeriosis (A32.-) and more.

Is A05 valid for 2026?

Yes, A05 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA04.9Bacterial intestinal infection, unspecifiedNext →A05.0Foodborne staphylococcal intoxication
Code Details
A05
Other bacterial foodborne intoxications, not elsewhere classified
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A00-A09 — Intestinal infectious diseases
2026 ICD-10-CM