DA40.0

ICD-11 MMS 2026-01

Gastric outlet obstruction

Description

Gastric outlet obstruction is a disorder characterised by epigastric abdominal pain and postprandial vomiting due to mechanical obstruction mostly at the level of the pylorus.

Index terms

  • Gastric outlet obstruction
  • Adult hypertrophic pyloric stenosis
  • adult pylorus obstruction
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  • adult pylorus stenosis
  • adult pylorus stricture
  • gastric outflow obstruction
  • hypertrophic pylorus stenosis
  • hypertrophic pylorus stricture
  • pyloric stenosis, NOS
  • pylorus hypertrophy
  • pylorus stenosis
  • pylorus stricture
  • Gastric stenosis due to other causes

Exclusions from above levels

  • DD50.0 – Diaphragmatic hernia
  • LB13 – Structural developmental anomalies of stomach
  • DE12.1 – Gastrostomy malfunction
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  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • DA40.1 – Gastric fistula, acquired
  • DA40.2 – Gastric volvulus
  • DA40.3 – Gastric diverticulum
  • DA40.4 – Hourglass stricture or stenosis of stomach
  • DA40.5 – Gastroptosis
  • DA40.Y – Other specified acquired anatomical alterations of the stomach
  • DA40.Z – Acquired anatomical alterations of the stomach, unspecified

Foundation entity

Gastric outlet obstruction – http://id.who.int/icd/entity/1032906398

Allowed postcoordination axes

Part of: DA40: Acquired anatomical alterations of the stomach › 13: Diseases of the digestive system