ICD Code A08.11

ICD code A08.11 is acute gastroenteropathy caused by the Norwalk virus, which leads to sudden inflammation of the stomach and intestines, resulting in symptoms like vomiting and diarrhea.

1. Sudden onset of vomiting and/or diarrhea

2. History of recent exposure to contaminated food, water, or contact with infected individuals

3. Presence of abdominal cramps or pain

4. Nausea

5. Low-grade fever may be present

6. Symptoms typically resolve within 1–3 days

7. Laboratory confirmation or strong clinical suspicion of Norwalk (norovirus) infection

8. Exclusion of other causes of acute gastroenteritis (e.g., bacterial, parasitic, or other viral agents)

Relevant CPT codes that may be used to treat ICD code A08.11 include:

- 99201–99215 (Evaluation and Management services, office or other outpatient visits)

- 96365 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour)

- 96374 (Therapeutic, prophylactic, or diagnostic injection; intravenous push, single or initial substance/drug)

- 36415 (Collection of venous blood by venipuncture)

- 87045 (Stool culture, bacterial; aerobic)

- 87427 (Infectious agent detection by immunoassay technique, Norovirus)

- 87501 (Infectious agent detection by nucleic acid, Norovirus, direct probe technique)

- 87075 (Culture, bacterial; any other source except urine, blood or stool, aerobic, with isolation and presumptive identification of isolates)

These CPT codes are commonly associated with the evaluation, management, and laboratory testing for ICD code A08.11.

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