K31.5
Obstruction of duodenum
Coding guidance (WHO 2019)
Constriction of duodenum Stenosis of duodenum Stricture of duodenum Duodenal ileus (chronic) Excl.: congenital stenosis of duodenum (Q41.0)
Sibling codes
K31Other diseases of stomach and duodenumK31.0Acute dilatation of stomachK31.1Adult hypertrophic pyloric stenosisK31.2Hourglass stricture and stenosis of stomachK31.3Pylorospasm, not elsewhere classifiedK31.4Gastric diverticulumK31.6Fistula of stomach and duodenumK31.7Polyp of stomach and duodenumK31.8Other specified diseases of stomach and duodenumK31.9Disease of stomach and duodenum, unspecified