A04.4

A04.4: Other intestinal Escherichia coli infections

Billable / specific codeICD-10-CM

A04.4 is a billable, specific ICD-10-CM code for other intestinal escherichia coli infections. It is valid for submission on a claim.

Check A04.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Escherichia coli enteritis NOS

Excludes1 inherited from the categories above A04.4

A category’s note binds every code beneath it.

Written on A04: Other bacterial intestinal infections

bacterial foodborne intoxications, NEC (A05.-)
tuberculous enteritis (A18.32)

Other codes that can never be billed with A04.4

Their own Excludes1 notes name this code, so the conflict is not listed above.

A05Other bacterial foodborne intoxications, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

A04.4 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A58801Billing and Coding: Pharmacogenomics Testing
A58812Billing and Coding: Pharmacogenomics Testing
A59915Billing and Coding: Pharmacogenomic Testing

Alphabetic index entries that lead here

Diarrhea, diarrheal›due to›Escherichia coli
Diarrhea, diarrheal›due to›Escherichia coli›enteroaggregative
Diarrhea, diarrheal›due to›Escherichia coli›specified NEC
Enteritis›infectious NOS›due to›Escherichia coli
Enteritis›infectious NOS›due to›Escherichia coli›enteroaggregative
Enteritis›infectious NOS›due to›Escherichia coli›specified NEC

Code history

Unchanged in every release from FY2024 to FY2027.