A04.1
Billable

Enterotoxigenic Escherichia coli infection

Billable / Specific Code

What is Enterotoxigenic Escherichia coli infection?

ICD-10-CM A04.1 is the diagnosis code for Enterotoxigenic Escherichia coli infection. This code falls under the section "Intestinal infectious diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for A04.1

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where A04.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is A04.1 a billable ICD-10-CM code?

Yes, A04.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A04.1 mean?

A04.1 is the ICD-10-CM diagnosis code for "Enterotoxigenic Escherichia coli infection". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A04.1?

The parent code of A04.1 is A04 ("Other bacterial intestinal infections"). A04.1 provides a more specific classification within this category.

What section is A04.1 in?

A04.1 is located in Section A00-A09 — "Intestinal infectious diseases" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A04.1?

Use A04.1 when the patients documented diagnosis matches "Enterotoxigenic Escherichia coli infection" 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 Enterotoxigenic Escherichia coli infection?

The ICD-10-CM code for Enterotoxigenic Escherichia coli infection is A04.1.

Can A04.1 be used for primary diagnosis?

Yes, A04.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A04.1 in?

A04.1 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A04.1 valid for 2026?

Yes, A04.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA04.0Enteropathogenic Escherichia coli infectionNext →A04.2Enteroinvasive Escherichia coli infection
Code Details
A04.1
Enterotoxigenic Escherichia coli infection
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A00-A09 — Intestinal infectious diseases
2026 ICD-10-CM