DB32.2 Megacolon International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01 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 sections/codes in this section () postcoordination Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Specific anatomy - multiple selections are allowed [select] XA6J68 Caecum XA3VB0 Ileocecal valve XA4F42 Ileocecal junction XA03U9 Colon XA3AL5 Ascending colon XA95L3 Hepatic flexure of colon XA49U1 Transverse colon XA1PY9 Splenic flexure of colon XA2G13 Descending colon XA8YJ9 Sigmoid colon XA33J5 Rectosigmoid junction XA7177 Descending colon and splenic flexure of colon XA25P9 Ascending colon and right flexure of colon XA4KU2 Rectum XA41Y4 Upper rectum XA2P23 Middle rectum XA1LM5 Lower rectum Associated with - multiple selections are allowed [select] ME24 Clinical manifestations of the digestive system ME24.0 Digestive system abscess ME24.1 Digestive system fistula ME24.2 Digestive system obstruction ME24.3 Digestive system perforation ME24.4 Digestive system stenosis ME24.5 Digestive system ulcer ME24.6 Digestive system dilatation ME24.7 Digestive system incarceration ME24.8 Digestive system strangulation or gangrene ME24.9 Gastrointestinal bleeding ME24.A Other digestive system haemorrhage, not elsewhere classified ME24.Y Other specified clinical manifestations of the digestive system ME24.30 Perforation of small intestine ME24.31 Perforation of large intestine ME24.35 Perforation of gallbladder or bile ducts ME24.3Y Digestive system perforation of other specified site ME24.3Z Digestive system perforation of unspecified site ME24.90 Acute gastrointestinal bleeding, not elsewhere classified ME24.91 Chronic gastrointestinal bleeding, not elsewhere classified ME24.9Z Gastrointestinal bleeding, unspecified ME24.A0 Obscure gastrointestinal bleeding ME24.A1 Haemorrhage of anus or rectum ME24.A2 Oesophageal haemorrhage ME24.A3 Haematochezia ME24.A4 Melaena ME24.A5 Haematemesis ME24.A6 Positive occult blood in stool Has causing condition - a selection is required - multiple selections are allowed [select] 1A40 Gastroenteritis or colitis without specification of infectious agent 1A00 Cholera 1A01 Intestinal infection due to other Vibrio 1A02 Intestinal infections due to Shigella 1A03 Intestinal infections due to Escherichia coli 1A04 Intestinal infections due to Clostridioides difficile 1A05 Intestinal infections due to Yersinia enterocolitica 1A06 Gastroenteritis due to Campylobacter 1A07 Typhoid fever 1A08 Paratyphoid fever 1A09 Infections due to other Salmonella 1A0Y Other specified bacterial intestinal infections 1A0Z Bacterial intestinal infections, unspecified 1A10 Foodborne staphylococcal intoxication 1A11 Botulism 1A12 Foodborne Clostridium perfringens intoxication 1A13 Foodborne Bacillus cereus intoxication 1A1Y Other specified bacterial foodborne intoxications 1A1Z Bacterial foodborne intoxications, unspecified 1A20 Enteritis due to Adenovirus 1A21 Gastroenteritis due to Astrovirus 1A22 Gastroenteritis due to Rotavirus 1A23 Enteritis due to Norovirus 1A24 Intestinal infections due to Cytomegalovirus 1A2Y Other specified viral intestinal infections 1A2Z Viral intestinal infections, unspecified 1A30 Infections due to Balantidium coli 1A31 Giardiasis 1A32 Cryptosporidiosis 1A33 Cystoisosporiasis 1A34 Sarcocystosis 1A35 Blastocystosis 1A36 Amoebiasis 1A3Y Other specified protozoal intestinal infections 1A3Z Protozoal intestinal infections, unspecified 1A40.0 Gastroenteritis or colitis without specification of origin 1A40.Z Infectious gastroenteritis or colitis without specification of infectious agent 1A03.0 Enteropathogenic Escherichia coli infection 1A03.1 Enterotoxigenic Escherichia coli infection 1A03.2 Enteroinvasive Escherichia coli infection 1A03.3 Enterohaemorrhagic Escherichia coli infection 1A03.Y Intestinal infections due to other specified Escherichia coli 1A03.Z Intestinal infections due to Escherichia coli, unspecified 1A07.0 Typhoid peritonitis 1A07.Y Other specified typhoid fever 1A07.Z Typhoid fever, unspecified 1A09.0 Salmonella enteritis 1A09.Y Infections due to other Salmonella in other organs 1A09.Z Salmonella infection, unspecified 1A11.0 Foodborne intoxication by botulinum toxin 1A11.1 Other forms of botulism 1A11.Z Botulism, unspecified 1A33.0 Cystoisosporiasis of small intestine 1A33.1 Cystoisosporiasis of colon 1A33.Y Other specified cystoisosporiasis 1A33.Z Cystoisosporiasis, unspecified 1A36.0 Intestinal infections due to Entamoeba 1A36.1 Extraintestinal infections due to Entamoeba 1A36.Z Amoebiasis, unspecified 1A36.00 Acute amoebiasis 1A36.01 Amoeboma of intestine 1A36.0Y Other specified intestinal infections due to Entamoeba 1A36.0Z Intestinal infections due to Entamoeba, unspecified 1A36.10 Amoebic liver abscess 1A36.11 Amoebic lung abscess 1A36.12 Cutaneous amoebiasis 1A36.1Y Amoebiasis of other specified sites 1F53 Chagas disease 1F53.1 Acute Chagas disease without heart involvement 1F53.2 Chronic Chagas disease with heart involvement 1F53.3 Chagas disease with digestive system involvement 1F53.4 Meningitis in Chagas disease 1F53.Y Other specified Chagas disease 1F53.Z Chagas disease, unspecified
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