DA50.0

ICD-11 MMS 2026-01

Obstruction of duodenum

Description

Hindrance of the passage of luminal contents in the duodenum. Obstruction of duodenum can be partial or complete, and caused by intrinsic or extrinsic factors. Simple obstruction is associated with diminished or stopped flow of luminal contents. Strangulating obstruction is associated with impaired blood flow to the duodenum in addition to obstructed flow of luminal contents.

Index terms

  • Obstruction of duodenum
  • duodenal obstruction
  • obstructed duodenum
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  • Aortomesenteric duodenum occlusion syndrome
  • Duodenal ileus
  • Chronic duodenal ileus
  • Constriction of duodenum
  • duodenal constriction
  • Duodenal stasis
  • Stenosis of duodenum
  • duodenal stenosis
  • Stricture of duodenum
  • duodenal stricture
  • Vascular compression of third duodenum, acquired

Excludes

  • LB14 – congenital stenosis of duodenum

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 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

  • DA50.1 – Diverticulum of duodenum
  • DA50.2 – Fistula of duodenum
  • DA50.3 – Deformity of duodenum, acquired
  • DA50.Y – Other specified acquired anatomical alterations of the duodenum
  • DA50.Z – Acquired anatomical alterations of the duodenum, unspecified

Foundation entity

Obstruction of duodenum – http://id.who.int/icd/entity/1450844990

Allowed postcoordination axes

Part of: DA50: Acquired anatomical alterations of the duodenum › 13: Diseases of the digestive system