ICD-10 Diagnosis Code K29

Gastritis and duodenitis

Diagnosis Code K29

ICD-10: K29
Short Description: Gastritis and duodenitis
Long Description: Gastritis and duodenitis
This is the 2017 version of the ICD-10-CM diagnosis code K29

Not Valid for Submission
The code K29 is a "header" and not valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Diseases of esophagus, stomach and duodenum (K20-K31)
      • Gastritis and duodenitis (K29)

Information for Medical Professionals

Information for Patients


Stomach Disorders

Also called: Gastric disorders

Your stomach is an organ between your esophagus and small intestine. It is where digestion of protein begins. The stomach has three tasks. It stores swallowed food. It mixes the food with stomach acids. Then it sends the mixture on to the small intestine.

Most people have a problem with their stomach at one time or another. Indigestion and heartburn are common problems. You can relieve some stomach problems with over-the-counter medicines and lifestyle changes, such as avoiding fatty foods or eating more slowly. Other problems like peptic ulcers or GERD require medical attention.

You should see a doctor if you have any of the following:

  • Blood when you have a bowel movement
  • Severe abdominal pain
  • Heartburn not relieved by antacids
  • Unintended weight loss
  • Ongoing vomiting or diarrhea

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

  • Bezoar (Medical Encyclopedia)
  • Dumping Syndrome - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)
  • EGD discharge (Medical Encyclopedia)
  • Gastrectomy (Medical Encyclopedia)
  • Gastritis (Medical Encyclopedia)
  • Gastroparesis (Medical Encyclopedia)
  • Pyloric stenosis (Medical Encyclopedia)
  • Stomach acid test (Medical Encyclopedia)
  • Upper GI and small bowel series (Medical Encyclopedia)


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