A04 (Other bacterial intestinal infections) is an umbrella ICD-10-CM medical diagnosis code in the Certain infectious and parasitic diseases chapter. It identifies cases of other bacterial intestinal infections for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

A04 — Other bacterial intestinal infections

Chapter A00-B99: Certain infectious and parasitic diseases

Need plain-language info on this diagnosis?

Ask GoDavaii AI about Other bacterial intestinal infections

Sub-codes under A04

A04.0Enteropathogenic Escherichia coli infectionA04.1Enterotoxigenic Escherichia coli infectionA04.2Enteroinvasive Escherichia coli infectionA04.3Enterohemorrhagic Escherichia coli infectionA04.4Other intestinal Escherichia coli infectionsA04.5Campylobacter enteritisA04.6Enteritis due to Yersinia enterocoliticaA04.7Enterocolitis due to Clostridium difficileA04.8Other specified bacterial intestinal infectionsA04.9Bacterial intestinal infection, unspecified

Common questions about A04 (Other bacterial intestinal infections)

What does ICD-10 code A04 mean?
A04 is the ICD-10-CM 2025 code for Other bacterial intestinal infections. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is A04 a billable diagnosis code?
A04 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under A04. Browse the sub-codes listed on this page.
Which ICD-10 chapter does A04 belong to?
A04 belongs to the chapter "Certain infectious and parasitic diseases" (codes A00-B99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Other bacterial intestinal infections?
For a plain-language explanation of Other bacterial intestinal infections, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Other bacterial intestinal infections" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗