ICD-11 code : DA21.0;
Preferred Label : Achalasia;
ICD-11 definition : Achalasia is an oesophageal smooth muscle motility disorder characterized by a loss
of peristalsis in the distal oesophagus and a failure of lower oesophageal sphincter
(LES) relaxation. Basic mechanism is the degeneration of neurons (ganglion cells)
in the myenteric plexuses in the oesophageal wall, but the cause is still unclear.;
ICD-11 synonym : megalo-oesophagus NOS; achalasia of oesophagus; Cardiospasm; aperistalsis of the oesophagus; achalasia NOS; megaesophagus NOS; achalasia of cardia; oesophageal achalasia;
ICD-11 inclusion : cardia spasm; cardia achalasia; oesophageal cardiospasm; reflex cardiospasm; oesophagus achalasia; Cardiospasm;
Origin ID : 636464846;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
ICD-10 Mapping
Achalasia is an oesophageal smooth muscle motility disorder characterized by a loss
of peristalsis in the distal oesophagus and a failure of lower oesophageal sphincter
(LES) relaxation. Basic mechanism is the degeneration of neurons (ganglion cells)
in the myenteric plexuses in the oesophageal wall, but the cause is still unclear.