A08.3

Other viral enteritis

FY2027Chapter 1: Certain infectious and parasitic diseases/A00–A09 Intestinal infectious diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

A08.3 is a non-billable ICD-10-CM code header for other viral enteritis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are A08.31 Calicivirus enteritis, A08.32 Astrovirus enteritis and A08.39 Other viral enteritis. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 5 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • code to identify resistance to antimicrobial drugs (Z16.-)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from A08 Viral and other specified intestinal infections

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (5 notes)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • 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)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • diseases generally recognized as communicable or transmissible

More specific codes under A08.3 3