A04.9

Billable

Bacterial intestinal infection, unspecified

Bacterial intestinal infection, unspecified

Status

Billable / Specific

Block

A00-A09

Parent Code

A04

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Bacterial enteritis NOS

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters
  • bacterial foodborne intoxications, NEC (A05.-)
  • tuberculous enteritis (A18.32)

Excludes 2

Conditions not included here, but the patient may have both

  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Additional codes that should follow this code

  • code to identify resistance to antimicrobial drugs (Z16.-)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code A04.9?

ICD-10-CM code A04.9 represents "Bacterial intestinal infection, unspecified". It is a billable/specific code that can be used on a claim.

Is A04.9 a billable code?

Yes, A04.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is A04.9 in?

A04.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A04.9?

A04.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; bacterial foodborne intoxications, NEC (A05.-); tuberculous enteritis (A18.32).

Are additional codes required with A04.9?

Yes, when using A04.9 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What SNOMED CT codes does A04.9 map to?

A04.9 maps to 12 SNOMED CT concepts: 721681005, 312109000, 75375008, 274080003, 312121001, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for A04.9?

A04.9 is linked to 2 UMLS Concept Unique Identifiers: C0152516, C0348095. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.