ICD-10-CM A04: Other bacterial intestinal infections

ICD-10-CM Diagnosis Code (2025)

Official Description for A04

Other bacterial intestinal infections

Coding Notes & Guidelines for A04

Excludes1: Not Coded Here
  • bacterial foodborne intoxications, NEC (A05.-)
  • tuberculous enteritis (A18.32)
Excludes1: Not Coded Here

extraintestinal yersiniosis (A28.2)

Inclusion Terms

Escherichia coli enteritis NOS

Inclusion Terms
  • Clostridioides difficile colitis
  • Foodborne intoxication by Clostridium difficile
  • Pseudomembraneous colitis
Inclusion Terms

Bacterial enteritis NOS

Child Codes (More Specific Codes for A04):

A04.0 - Enteropathogenic Escherichia coli infection A04.1 - Enterotoxigenic Escherichia coli infection A04.2 - Enteroinvasive Escherichia coli infection A04.3 - Enterohemorrhagic Escherichia coli infection A04.4 - Other intestinal Escherichia coli infections A04.5 - Campylobacter enteritis A04.6 - Enteritis due to Yersinia enterocolitica A04.7 - Enterocolitis due to Clostridium difficile A04.71 - Enterocolitis due to Clostridium difficile, recurrent A04.72 - Enterocolitis due to Clostridium difficile, not specified as recurrent A04.8 - Other specified bacterial intestinal infections A04.9 - Bacterial intestinal infection, unspecified

About ICD-10-CM Code A04 (Other bacterial intestinal infections)

ICD-10-CM code A04 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A04 became effective on October 1, 2024.

This page provides detailed information about A04 - Other bacterial intestinal infections. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other bacterial intestinal infections.