A08.1

Non-billable

Acute gastrent d/t Norwalk agent and oth small round viruses

Acute gastroenteropathy due to Norwalk agent and other small round viruses

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

A00-A09

Parent Code

A08

Child Codes

2

Coding Notes

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

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.-)

Child Codes (2)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code A08.1?

ICD-10-CM code A08.1 represents "Acute gastroenteropathy due to Norwalk agent and other small round viruses". It is a non-billable header code — use a more specific child code for billing purposes.

Is A08.1 a billable code?

No, A08.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under A08.1.

What chapter is A08.1 in?

A08.1 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A08.1?

A08.1 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2).

What are the subcategories under A08.1?

A08.1 has 2 child codes, including: A08.11 (Acute gastroenteropathy due to Norwalk agent), A08.19 (Acute gastroenteropathy due to other small round viruses).

Are additional codes required with A08.1?

Yes, when using A08.1 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What are the UMLS CUIs for A08.1?

A08.1 is linked to 1 UMLS Concept Unique Identifier: C2880112. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.