All ICD10 Codes

A08

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Viral and other specified intestinal infections

Use a more specific code (4 billable, 2 non-billable)
A08.0Rotaviral enteritisA08.1Acute gastroenteropathy due to Norwalk agent and other small round viruseshas subcodesA08.2Adenoviral enteritisA08.3Other viral enteritishas subcodesA08.4Viral intestinal infection, unspecifiedA08.8Other specified intestinal infections
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • 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
  • code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A00-A09Intestinal infectious diseases (A00-A09)
A08Viral and other specified intestinal infectionsNot billable
A08.0Rotaviral enteritisBillable
A08.1Acute gastroenteropathy due to Norwalk agent and other small round virusesSubcodes
A08.2Adenoviral enteritisBillable
A08.3Other viral enteritisSubcodes
A08.4Viral intestinal infection, unspecifiedBillable
A08.8Other specified intestinal infectionsBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A08:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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