ICD-10-CM Billable Code

A08.11

Acute gastroenteropathy due to Norwalk agent

Clinical Classification Guidelines

Inclusion Terms

  • Acute gastroenteropathy due to Norovirus
  • Acute gastroenteropathy due to Norwalk-like agent

Medical Intelligence & Overview

ICD-10 code A08.11 describes a condition known as acute gastroenteropathy caused by the Norwalk agent, a common virus responsible for gastrointestinal infections. This condition leads to inflammation of the stomach and intestines, resulting in sudden onset of gastrointestinal symptoms. It is often referred to as a stomach bug and is highly contagious, spreading easily in settings where people are in close contact. Medical professionals recognize this condition by its characteristic symptoms and typically diagnose it based on clinical presentation.

Causes & Symptoms

Clinical Causes: Infection with Norwalk virus, also known as Norovirus Contaminated food or water Close contact with infected individuals Touching surfaces contaminated with the virus and then touching the mouth Eating raw or undercooked shellfish known to carry the virus

Key Symptoms: Sudden onset of nausea Vomiting Watery diarrhea Stomach pain and cramps Low-grade fever Muscle aches General feeling of tiredness or fatigue Headache

Diagnostic & Treatment

Diagnosis Path: Diagnosis is typically based on the patient's clinical symptoms and recent exposure history. Laboratory tests, such as stool samples, can confirm the presence of Norovirus. However, many cases are diagnosed clinically without laboratory confirmation, especially during outbreaks. Healthcare providers may also use epidemiological information to identify seasonal trends and common sources.

Treatment Protocols: There is no specific antiviral treatment for Norovirus infections. Management focuses on relieving symptoms and preventing dehydration. Patients are advised to rest, stay well-hydrated with fluids such as oral rehydration solutions, and follow a gradual diet as tolerated. In severe cases, especially in vulnerable populations like the elderly or those with weakened immune systems, medical attention may be necessary to manage dehydration and other complications.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is A08.11 a billable ICD-10 code?
Yes, A08.11 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report A08.11?
Clinical documentation must specify the nature of Acute gastroenteropathy due to Norwalk agent and any associated comorbidities for accurate reporting.

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Clinical Meta Tags

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