K31.4 – Gastric Diverticulum: Causes & Treatment
K31.4 is an ICD-10 diagnosis code for a gastric diverticulum – a pouch-like protrusion of the stomach wall. It is usually an incidental finding without symptoms.
Things worth knowing about "K31.4"
K31.4 is an ICD-10 diagnosis code for a gastric diverticulum – a pouch-like protrusion of the stomach wall. It is usually an incidental finding without symptoms.
What Does the ICD-10 Code K31.4 Mean?
The ICD-10 code K31.4 refers to a gastric diverticulum (diverticulum ventriculi). This is a localized, pouch-like outpouching of the stomach wall. While diverticula can occur throughout the gastrointestinal tract, they are relatively rare in the stomach compared to the colon or esophagus.
Causes and Development
Gastric diverticula develop due to a local weakness in the stomach wall, which is expanded by the internal pressure of stomach contents. Two main types are distinguished:
- True (pulsion) diverticula: All layers of the stomach wall are involved in the outpouching. This is the most common type and typically occurs on the posterior wall of the gastric fundus (upper part of the stomach).
- False (traction) diverticula: Only the mucosal layer protrudes through a gap in the muscular wall; this type is less common.
Contributing factors may include congenital connective tissue weakness, chronically elevated intragastric pressure, and scarring from previous inflammation or surgery.
Symptoms
Most gastric diverticula are asymptomatic and are discovered incidentally during a gastroscopy or imaging examination. When symptoms do occur, they may include:
- Nonspecific upper abdominal pain or a feeling of pressure
- Nausea and vomiting
- Belching or bloating
- In rare cases: difficulty swallowing or postprandial discomfort (discomfort after eating)
Complications such as diverticular inflammation (diverticulitis), bleeding, or perforation (a rupture of the stomach wall) are possible but uncommon.
Diagnosis
The diagnosis of a gastric diverticulum is typically made through:
- Gastroscopy (upper endoscopy): The gold standard for direct visualization of the gastric mucosa and the diverticulum.
- Contrast radiography (barium swallow): Can visualize the shape and location of the diverticulum.
- Computed tomography (CT) of the abdomen: Particularly useful when complications are suspected.
Treatment
Since gastric diverticula are mostly asymptomatic, no treatment is required in most cases. Management depends on the presence and severity of symptoms or complications:
- Conservative management: For mild symptoms, gastro-protective medications (e.g., proton pump inhibitors) and dietary adjustments may help.
- Endoscopic therapy: Bleeding from the diverticulum can be managed endoscopically.
- Surgical treatment (diverticulectomy): Indicated only in cases of recurrent complications, significant symptoms, or suspicion of malignancy. The procedure can be performed as open surgery or laparoscopically (minimally invasive).
Prognosis and Follow-up
The prognosis of an uncomplicated gastric diverticulum is excellent. Routine follow-up examinations are generally not necessary unless symptoms are present or risk factors for complications exist. Patients should inform their doctor if new or worsening symptoms develop.
References
- Longo DL et al. (eds.): Harrison's Principles of Internal Medicine, 21st edition. McGraw-Hill, 2022.
- World Health Organization (WHO): ICD-10 Version 2019, Chapter XI – Diseases of the Digestive System, Code K31.4. Available at: icd.who.int.
- Anaise D, Brand DL, Collins LA, Chung YS: Gastric diverticulum – a review of world literature. Am J Gastroenterol. 1984;79(4):284–288.
Most purchased products
For your iron balance
Specially formulated for your iron balance with plant-based curry leaf iron, Lactoferrin CLN®, and natural Vitamin C from rose hips.
For your universal protection
As one of the most valuable proteins in the body, lactoferrin is a natural component of the immune system.
For Healthy Oral Flora & Dental Care
Formulated lozenges with Dentalac®, lactic acid bacteria, and Lactoferrin CLN®The latest entries
3 Posts in this encyclopedia categoryMost read entries
3 Posts in this encyclopedia categoryMagnesiumcarbonat
Calorie content
Cologne list
Related search terms: K31.4