A08UpcomingCategory · further specificity required

Viral and other specified intestinal infections

Code-level instructions

Excludes 1

influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)

Chapters 1 · Inherited instructions

Use additional code

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

Excludes 2 · 5

Chapters 1 · Certain infectious and parasitic diseases (A00-B99)

Excludes 2

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)

More specific codes

A08.0Rotaviral enteritis A08.1Acute gastroenteropathy due to Norwalk agent and other small round viruses A08.2Adenoviral enteritis A08.3Other viral enteritis A08.4Viral intestinal infection, unspecified A08.8Other specified intestinal infections

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.

Official coding guidelines → · CMS ↗

First observed · 2015-10-01

Code history

Latest recorded change · FY2027

ChangedUnchanged

FY2027UpcomingSelected edition

Effective from 2026-10-01

Inherited rules changed

Viral and other specified intestinal infections

Category — select a more specific code

CDC/NCHS · FY2027

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	No tabular change
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	No tabular change
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	No tabular change
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	Inherited rules changed

Code-level instructions

Excludes 1

influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)

Inherited instructions

Chapters 1 · Certain infectious and parasitic diseases (A00-B99)

Includes

diseases generally recognized as communicable or transmissible

Excludes 2

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)

Use additional code

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

More specific codes

A08.0Rotaviral enteritisBillable / specific A08.1Acute gastroenteropathy due to Norwalk agent and other small round virusesCategory · further specificity required A08.2Adenoviral enteritisBillable / specific A08.3Other viral enteritisCategory · further specificity required A08.4Viral intestinal infection, unspecifiedBillable / specific A08.8Other specified intestinal infectionsBillable / specific

Related codes

Official titles and instructions are preserved in their source language. Official sources ↗

References from other codes (3)

J09.X3 · Influenza due to identified novel influenza A virus with gastrointestinal manifestations

Excludes 1 · 'intestinal flu' [viral gastroenteritis] (A08.-)

J10.2 · Influenza due to other identified influenza virus with gastrointestinal manifestations

Excludes 1 · 'intestinal flu' [viral gastroenteritis] (A08.-)

J11.2 · Influenza due to unidentified influenza virus with gastrointestinal manifestations

Excludes 1 · 'intestinal flu' [viral gastroenteritis] (A08.-)

A08UpcomingCategory · further specificity required

Viral and other specified intestinal infections

Code-level instructions

Excludes 1

influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)

Chapters 1 · Inherited instructions

Use additional code

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

Excludes 2 · 5

Chapters 1 · Certain infectious and parasitic diseases (A00-B99)

Excludes 2

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)

More specific codes

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Official coding guidelines → · CMS ↗

First observed · 2015-10-01

Code history

Latest recorded change · FY2027

ChangedUnchanged

FY2027UpcomingSelected edition

Effective from 2026-10-01

Inherited rules changed

Viral and other specified intestinal infections

Category — select a more specific code

CDC/NCHS · FY2027

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	No tabular change
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	No tabular change
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	No tabular change
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	Inherited rules changed

Code-level instructions

Excludes 1

influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)

Inherited instructions

Chapters 1 · Certain infectious and parasitic diseases (A00-B99)

Includes

diseases generally recognized as communicable or transmissible

Excludes 2

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)

Use additional code

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

More specific codes

Related codes

Official titles and instructions are preserved in their source language. Official sources ↗

References from other codes (3)

J09.X3 · Influenza due to identified novel influenza A virus with gastrointestinal manifestations

Excludes 1 · 'intestinal flu' [viral gastroenteritis] (A08.-)

J10.2 · Influenza due to other identified influenza virus with gastrointestinal manifestations

Excludes 1 · 'intestinal flu' [viral gastroenteritis] (A08.-)

J11.2 · Influenza due to unidentified influenza virus with gastrointestinal manifestations

Excludes 1 · 'intestinal flu' [viral gastroenteritis] (A08.-)