ICD-10-CM · Chapter 1 · A00–B99
A08.11
Acute gastroenteropathy due to Norwalk agent
Certain infectious and parasitic diseases
Quick facts
- Code
- A08.11
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- A08 — Viral and other specified intestinal infections
- Specificity
- 5 characters
How coders use this code
ICD-10-CM A08.11 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of acute gastroenteropathy due to norwalk agent. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in A08
- A08Viral and other specified intestinal infections
- A08.0Rotaviral enteritis
- A08.1Acute gastroenteropathy due to Norwalk agent and other small round viruses
- A08.19Acute gastroenteropathy due to other small round viruses
- A08.2Adenoviral enteritis
- A08.3Other viral enteritis
- A08.31Calicivirus enteritis
- A08.32Astrovirus enteritis
- A08.39Other viral enteritis
- A08.4Viral intestinal infection, unspecified
- A08.8Other specified intestinal infections
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