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ICD‑10 Code A0811 – Acute gastroenteropathy due to Norwalk agent Acute gastroenteropathy due to Norwalk agent

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Billable Active (Valid as of April 2025) · ICD-10-CM (US)
Code Details
Code A0811
Category A081 – Acute gastrent d/t Norwalk agent and oth small round viruses Acute gastroenteropathy due to Norwalk agent and other small round viruses
Version ICD-10-CM (US)
Status Active (Valid as of April 2025)
Plain‑English Summary

ICD-10-CM code A08.11 represents acute gastroenteropathy caused by the Norwalk agent, commonly known as Norovirus. This specific and billable code is used for diagnosing and processing reimbursement for this common viral intestinal infection.

When to Use This Code
  • Acute gastroenteropathy due to Norovirus
  • Acute gastroenteropathy due to Norwalk-like agent
Related Codes
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Code Description
A0819 Acute gastroenteropathy due to other small round viruses Acute gastroenteropathy due to other small round viruses
A082 Adenoviral enteritis Adenoviral enteritis
FAQ

ICD-10-CM code A08.11 is used to diagnose acute gastroenteropathy specifically caused by the Norwalk agent, which is a type of Norovirus. This condition typically involves inflammation of the stomach and intestines, leading to symptoms like nausea, vomiting, diarrhea, and abdominal cramps.

Yes, A08.11 is a billable/specific ICD-10-CM code. This means it can be used on claims for reimbursement for medical services related to the diagnosis and treatment of acute gastroenteropathy due to Norwalk agent or Norovirus.

The Norwalk agent is historically one of the first identified strains of Norovirus. Essentially, Norwalk agent is a type of Norovirus. The terms are often used interchangeably in clinical contexts, with 'Norovirus' being the broader and more current scientific classification for a group of viruses that cause acute gastroenteropathy.
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Tags : Acute gastroenteropathy Norwalk agent infection Norovirus Viral gastroenteritis Stomach flu Intestinal infection Diarrhea Vomiting ICD-10-CM A08.11 A08.11 diagnosis code ICD10 code for Norwalk agent ICD10 code for Norovirus ICD10 code for acute gastroenteropathy
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