ICD-11 MMS 2026-01
Megacolon Description Megacolon is a descriptive term indicating an abnormal dilation of large intestine. The dilatation is often accompanied by a paralysis of the peristaltic movements of the bowel.
Exclusions from above levels 01 – Certain infectious or parasitic diseases02 – Neoplasms05 – Endocrine, nutritional or metabolic diseasesShow all Hide 06 – Mental, behavioural or neurodevelopmental disorders18 – Complications of pregnancy, childbirth and the puerperium22 – Injury, poisoning or certain other consequences of external causesSibling codes DB32.0 – Pseudo-obstruction of colonDB32.1 – Slow transit constipationDB32.3 – Acquired hypoganglionosis of large intestineDB32.Y – Other specified motility disorders of large intestineDB32.Z – Motility disorders of large intestine, unspecifiedAllowed postcoordination axes Part of: DB32 : Motility disorders of large intestine › 13 : Diseases of the digestive system
Source World Health Organization (WHO)
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under the Creative Commons Attribution-NoDerivatives 3.0 IGO licence (CC BY-ND 3.0 IGO).