DA21.2

ICD-11 MMS 2026-01

Disorder of oesophageal peristalsis

Description

Disorder of oesophageal peristalsis is part of a spectrum of motility disorders in the thoracic oesophagus characterised by dysphagia and chest pain due to incoordination of oesophageal peristaltic contractions. There is no abnormality in lower oesophageal sphincter relaxation.

Excludes

  • DA21.0 – Achalasia
  • DA22 – Gastro-oesophageal reflux disease

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

Child codes

  • DA21.20 – Hypertensive peristalsis
  • DA21.21 – Hypotensive peristalsis
  • DA21.22 – Spastic peristalsis
  • DA21.2Y – Other specified disorder of oesophageal peristalsis
  • DA21.2Z – Disorder of oesophageal peristalsis, unspecified

Sibling codes

  • DA21.0 – Achalasia
  • DA21.1 – Motility disorder of cervical or upper oesophagus
  • DA21.3 – Disorder of lower oesophageal sphincter function
  • DA21.Y – Other specified motility disorders of oesophagus
  • DA21.Z – Motility disorders of oesophagus, unspecified

Foundation entity

Disorder of oesophageal peristalsis – http://id.who.int/icd/entity/1007835083

Allowed postcoordination axes

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