DA21.3

ICD-11 MMS 2026-01

Disorder of lower oesophageal sphincter function

Description

Disorder of lower oesophageal sphincter function is a condition characterised by dysphagia, chest pain, heartburn and regurgitation due to incompetence of lower oesophageal sphincter.

Index terms

  • Disorder of lower oesophageal sphincter function
  • Hypertensive lower oesophageal sphincter
  • Hypotensive lower oesophageal sphincter
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  • Incomplete lower oesophageal sphincter relaxation
  • lack of reflex relaxation of lower oesophageal sphincter

Excludes

  • DA22 – relaxation of lower oesophageal sphincter

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

  • DA21.0 – Achalasia
  • DA21.1 – Motility disorder of cervical or upper oesophagus
  • DA21.2 – Disorder of oesophageal peristalsis
  • DA21.Y – Other specified motility disorders of oesophagus
  • DA21.Z – Motility disorders of oesophagus, unspecified

Foundation entity

Disorder of lower oesophageal sphincter function – http://id.who.int/icd/entity/506390162

Allowed postcoordination axes

Part of: DA21: Motility disorders of oesophagus › 13: Diseases of the digestive system