Diseases of oesophagus, stomach and duodenum

K20 Oesophagitis

• K20 Oesophagitis

K21 Gastro-oesophageal reflux disease

• K21 Gastro-oesophageal reflux disease
• K21.0 Gastro-oesophageal reflux disease with oesophagitis
• K21.9 Gastro-oesophageal reflux disease without oesophagitis

K22 Other diseases of oesophagus

• K22 Other diseases of oesophagus
• K22.0 Achalasia of cardia
• K22.1 Ulcer of oesophagus
• K22.2 Oesophageal obstruction
• K22.3 Perforation of oesophagus
• K22.4 Dyskinesia of oesophagus
• K22.5 Diverticulum of oesophagus, acquired
• K22.6 Gastro-oesophageal laceration-haemorrhage syndrome
• K22.8 Other specified diseases of oesophagus
• K22.9 Disease of oesophagus, unspecified

K23 Disorders of oesophagus in diseases classified elsewhere

• K23 Disorders of oesophagus in diseases classified elsewhere
• K23.0 Tuberculous oesophagitis (A18.8)
• K23.1 Megaoesophagus in Chagas' disease [B57.3*]
• K23.8 Disorders of oesophagus in other diseases classified elsewhere

K25 Gastric ulcer

• K25 Gastric ulcer

K26 Duodenal ulcer

• K26 Duodenal ulcer

K27 Peptic ulcer,site unspecified

• K27 Peptic ulcer,site unspecified

K28 Gastrojejunal ulcer

• K28 Gastrojejunal ulcer

K29 Gastritis and duodenitis

• K29 Gastritis and duodenitis
• K29.0 Acute hemorrhagic gastritis
• K29.1 Other acute gastritis
• K29.2 Alcoholic gastritis
• K29.3 Chronic superficial gastritis
• K29.4 Chronic atrophic gastritis
• K29.5 Chronic gastritis, unspecified
• K29.6 Other gastritis
• K29.7 Gastritis, unspecified
• K29.8 Duodenitis
• K29.9 Gastroduodenitis unspecified

K30 Dyspepsia

• K30 Dyspepsia

K31 Other diseases of stomach and duodenum

• K31 Other diseases of stomach and duodenum
• K31.0 Acute dilatation of stomach
• K31.1 Adult hypertrophic pyloric stenosis
• K31.2 Hourglass stricture and stenosis of stomach
• K31.3 Pylorospasm,not elsewhere classified
• K31.4 Gastric diverticulum
• K31.5 Obstruction of duodenum
• K31.6 Fistula of stomach and duodenum
• K31.8 Other specified diseases of stomach and duodenum
• K31.9 Disease of stomach and duodenum,unspecified