Is A04 a billable code?
No. A04 is a header code that groups 11 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
A04: Other bacterial intestinal infections
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
A04 groups related diagnoses under other bacterial intestinal infections. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under A04
- A04.0Enteropathogenic Escherichia coli infection
- A04.1Enterotoxigenic Escherichia coli infection
- A04.2Enteroinvasive Escherichia coli infection
- A04.3Enterohemorrhagic Escherichia coli infection
- A04.4Other intestinal Escherichia coli infections
- A04.5Campylobacter enteritis
- A04.6Enteritis due to Yersinia enterocolitica
- A04.71Enterocolitis due to Clostridium difficile, recurrent
- A04.72Enterocolitis due to Clostridium difficile, not specified as recurrent
- A04.8Other specified bacterial intestinal infections
- A04.9Bacterial intestinal infection, unspecified
A04 questions
What does A04 mean?
A04 is the ICD-10-CM code for Other bacterial intestinal infections. It is in chapter 1, Certain infectious and parasitic diseases (A00-B99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.