K31.4 Gastric diverticulum

ICD10CM code

#### Name of the Condition
- Gastric Diverticulum (*K31.4*)
- Alternative: Gastric Pouch

#### Summary
Gastric diverticulum is a rare condition characterized by the formation of a pouch or sac in the lining of the stomach. This outpouching can be congenital or acquired and often remains asymptomatic, occasionally causing symptoms when complications arise.

#### Causes
- Congenital malformation (most common)
- Acquired causes such as increased gastric pressure or inflammation
- Associated with connective tissue disorders

#### Risk Factors
- Genetic predisposition
- History of gastric disorders
- Connective tissue diseases

#### Symptoms
- Often asymptomatic
- Nausea
- Abdominal pain or discomfort
- Bloating
- Vomiting when severe

#### Diagnosis
- Upper gastrointestinal (GI) series
- Endoscopy
- CT or MRI scans for detailed imaging

#### Treatment Options
- Observation for asymptomatic cases
- Dietary modifications to ease symptoms
- Surgical removal in symptomatic or complicated cases to alleviate discomfort or prevent complications

#### Prognosis and Follow-Up
- Generally a benign condition with a good prognosis when monitored
- Follow-up is crucial for symptomatic cases to prevent complications

#### Complications
- Gastric ulcer or bleeding
- Perforation leading to peritonitis
- Obstruction of the gastrointestinal tract

#### Lifestyle & Prevention
- Avoidance of smoking and alcohol
- Eating smaller, more frequent meals to reduce stomach pressure
- Adequate fiber intake to prevent gastrointestinal discomfort

#### When to Seek Professional Help
- Persistent or severe abdominal pain
- Symptoms of gastrointestinal bleeding such as vomiting blood
- Sudden onset of nausea and vomiting

#### Additional Resources
- American Gastroenterological Association (AGA)
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

#### Tips for Medical Coders
- Ensure specificity in coding with appropriate use of K31.4
- Verify documentation supports the presence of a diverticulum
- Avoid confusion with other gastric or gastrointestinal diagnoses

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