Is A04.4 a billable ICD-10 code?

Yes. A04.4 (Other intestinal Escherichia coli infections) is billable and can be used for insurance claims. Always verify payer-specific requirements.

A04.4 ✓ Billable

Other intestinal Escherichia coli infections

Q: What is ICD-10 code A04.4?

ICD-10-CM code A04.4 stands for "Other intestinal Escherichia coli infections". It is a billable code in the Certain Infectious and Parasitic Diseases chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases

Code

A04.4

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Certain Infectious and Parasitic Diseases

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code A04.4?

ICD-10-CM code A04.4 represents Other intestinal Escherichia coli infections. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.

Is A04.4 billable?

Yes. A04.4 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is A04.4 in?

A04.4 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.

Related codes in the A04 category

A04 Other bacterial intestinal infections Non-billable A04.0 Enteropathogenic Escherichia coli infection Billable A04.1 Enterotoxigenic Escherichia coli infection Billable A04.2 Enteroinvasive Escherichia coli infection Billable A04.3 Enterohemorrhagic Escherichia coli infection Billable A04.5 Campylobacter enteritis Billable A04.6 Enteritis due to Yersinia enterocolitica Billable A04.7 Enterocolitis due to Clostridium difficile Non-billable

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