K313-char group
Other diseases of stomach and duodenum
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: functional disorders of stomach Excl.: diverticulum of duodenum (K57.0-K57.1) gastrointestinal haemorrhage (K92.0-K92.2)
Codes within K31
K31.0Acute dilatation of stomachK31.1Adult hypertrophic pyloric stenosisK31.2Hourglass stricture and stenosis of stomachK31.3Pylorospasm, not elsewhere classifiedK31.4Gastric diverticulumK31.5Obstruction of duodenumK31.6Fistula of stomach and duodenumK31.7Polyp of stomach and duodenumK31.8Other specified diseases of stomach and duodenumK31.9Disease of stomach and duodenum, unspecified