A08.1: Acute gastroenteropathy due to Norovirus

Your stomach or your intestines have been attacked by pathogens, causing inflammation.

Gastroenteritis can cause various symptoms. You often feel nauseated and have abdominal pain. You may vomit and have diarrhea. You can feel very feeble. Sometimes you may also catch a fever.

Gastroenteritis is caused by certain viruses. These viruses are called noroviruses. Noroviruses are highly infectious.

Additional indicator

On medical documents, the ICD code is often appended by letters that indicate the diagnostic certainty or the affected side of the body.

  • G: Confirmed diagnosis
  • V: Tentative diagnosis
  • Z: Condition after
  • A: Excluded diagnosis
  • L: Left
  • R: Right
  • B: Both sides

Further information


This information is not intended for self-diagnosis and does not replace professional medical advice from a doctor. If you find an ICD code on a personal medical document, please also note the additional indicator used for diagnostic confidence.
Your doctor will assist you with any health-related questions and explain the ICD diagnosis code to you in a direct consultation if necessary.


Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).