A00-B99 C00-D48D50-D89 E00-E90 F00-F99 G00-G99 H00-H59 H60-H95 I00-I99 J00-J99 K00-K93
L00-L99 M00-M99 N00-N99 O00-O99 P00-P96 Q00-Q99 R00-R99 S00-T98 V01-Y98 Z00-Z99 U00-U99

K20-K31 Diseases of oesophagus, stomach and duodenum




 
Chapter XI

Diseases of the digestive system
(K00-K93)

Diseases of oesophagus, stomach and duodenum
(K20-K31)

Excludes: hiatus hernia (K44.-)

K20Oesophagitis
Latin: Oesophagitis
Abscess of oesophagus
Oesophagitis:
· NOS
· chemical
· peptic
Use additional external cause code (Chapter XX), if desired, to identify cause.
Excludes:erosion of oesophagus (K22.1)
reflux oesophagitis (K21.0)
with gastro-oesophageal reflux disease (K21.0)

K21Gastro-oesophageal reflux disease
Latin: Refluum gastrooesophagicum
K21.0Gastro-oesophageal reflux disease with oesophagitis
Latin: Refluum gastrooesophagicum cum oesophagitide
Reflux oesophagitis
K21.9Gastro-oesophageal reflux disease without oesophagitis
Latin: Refluum gastrooesophagicum
Oesophageal reflux NOS

K22Other diseases of oesophagus
Latin: Morbi oesophagi alii
Excludes:oesophageal varices (I85.-)
K22.0Achalasia of cardia
Latin: Achalasia cardialis
Achalasia NOS
Cardiospasm
Excludes:congenital cardiospasm (Q39.5)
K22.1Ulcer of oesophagus
Latin: Ulcus oesophagi
Erosion of oesophagus
Ulcer of oesophagus:
· NOS
· due to ingestion of:
  · chemicals
  · drugs and medicaments
· fungal
· peptic
Ulcerative oesophagitis
Use additional external cause code (Chapter XX), if desired, to identify cause.
K22.2Oesophageal obstruction
Latin: Obstructio oesophagi
Compression
Constriction
Stenosis
Stricture
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of oesophagus
Excludes:congenital stenosis or stricture of oesophagus (Q39.3)
K22.3Perforation of oesophagus
Latin: Perforatio oesophagi
Rupture of oesophagus
Excludes:traumatic perforation of (thoracic) oesophagus (S27.8)
K22.4Dyskinesia of oesophagus
Latin: Dyskinesia oesophagi
Corkscrew oesophagus
Diffuse oesophageal spasm
Spasm of oesophagus
Excludes:cardiospasm (K22.0)
K22.5Diverticulum of oesophagus, acquired
Latin: Diverticulum oesophagi acquisitum
Oesophageal pouch, acquired
Excludes:diverticulum of oesophagus (congenital) (Q39.6)
K22.6Gastro-oesophageal laceration-haemorrhage syndrome
Latin: Syndroma haemorrhagica gastrooesophagica
Mallory-Weiss syndrome
K22.7Barrett's oesophagus
Latin: .
Barrett's:
· disease
· syndrome
Excludes:Barrett's ulcer (K22.1)
K22.8Other specified diseases of oesophagus
Latin: Morbi oesophagi alii, specificati
Haemorrhage of oesophagus NOS
K22.9Disease of oesophagus, unspecified
Latin: Morbus oesophagi, non specificatus

K23*Disorders of oesophagus in diseases classified elsewhere
Latin: Morbi oesophagi in morbis aliis
K23.0*Tuberculous oesophagitis (A18.8+)
Latin: Oesophagis tuberculosa (A18.8+)
K23.1*Megaoesophagus in Chagas' disease (B57.3+)
Latin: Megaoesophagus in morbo Chagas (B57.3+)
K23.8*Disorders of oesophagus in other diseases classified elsewhere
Latin: Morbi oesophagi in morbis aliis

The following fourth-character subdivisions are for use with categories K25-K28:
.0Acute with haemorrhage
.1Acute with perforation
.2Acute with both haemorrhage and perforation
.3Acute without haemorrhage or perforation
.4Chronic or unspecified with haemorrhage
.5Chronic or unspecified with perforation
.6Chronic or unspecified with both haemorrhage and perforation
.7Chronic without haemorrhage or perforation
.9Unspecified as acute or chronic, without haemorrhage or perforation
K25Gastric ulcer
Latin: Ulcus ventriculi
[See before K25 for subdivisions]
Includes:erosion (acute) of stomach
ulcer (peptic):
· pylorus
· stomach
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes:acute haemorrhagic erosive gastritis (K29.0)
peptic ulcer NOS (K27.-)

K26Duodenal ulcer
Latin: Ulcus duodeni
[See before K25 for subdivisions]
Includes:erosion (acute) of duodenum
ulcer (peptic):
· duodenal
· postpyloric
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes:peptic ulcer NOS (K27.-)

K27Peptic ulcer, site unspecified
Latin: Ulcus pepticum, loci non specificati
[See before K25 for subdivisions]
Includes:gastroduodenal ulcer NOS
peptic ulcer NOS
Excludes:peptic ulcer of newborn (P78.8)

K28Gastrojejunal ulcer
Latin: Ulcus gastrojejunale
[See before K25 for subdivisions]
Includes:ulcer (peptic) or erosion:
· anastomotic
· gastrocolic
· gastrointestinal
· gastrojejunal
· jejunal
· marginal
· stomal
Excludes: primary ulcer of small intestine (K63.3)

K29Gastritis and duodenitis
Latin: Gastritis et duedenitis
Excludes:eosinophilic gastritis or gastroenteritis (K52.8)
Zollinger-Ellison syndrome (E16.4)
K29.0Acute haemorrhagic gastritis
Latin: Gastritis haemorrhagica acuta
Acute (erosive) gastritis with haemorrhage
Excludes:erosion (acute) of stomach (K25.-)
K29.1Other acute gastritis
Latin: Gastritis acuta alia
K29.2Alcoholic gastritis
Latin: Gastritis alcoholica
K29.3Chronic superficial gastritis
Latin: Gastritis superficialis chronica
K29.4Chronic atrophic gastritis
Latin: Gastritis atrophica chronica
Gastric atrophy
K29.5Chronic gastritis, unspecified
Latin: Gastritis chronica, non specificata
Chronic gastritis:
· antral
· fundal
K29.6Other gastritis
Latin: Gastritis alia
Giant hypertrophic gastritis
Granulomatous gastritis
Ménétrier's disease
K29.7Gastritis, unspecified
Latin: Gastritis, non specificata
K29.8Duodenitis
Latin: Duodenitis
K29.9Gastroduodenitis, unspecified
Latin: Gastroduodenitis, non specificata

K30Dyspepsia
Latin: Dyspepsia
Indigestion
Excludes:dyspepsia:
· nervous (F45.3)
· neurotic (F45.3)
· psychogenic (F45.3)
heartburn (R12)

K31Other diseases of stomach and duodenum
Latin: Morbi ventriculi et morbi duodeni alii
Includes:functional disorders of stomach
Excludes:diverticulum of duodenum (K57.0-K57.1)
gastrointestinal haemorrhage (K92.0-K92.2)
K31.0Acute dilatation of stomach
Latin: Dilatatio ventriculi acuta
Acute distension of stomach
K31.1Adult hypertrophic pyloric stenosis
Latin: Stenosis pylori hypertrophica ad adultum
Pyloric stenosis NOS
Excludes:congenital or infantile pyloric stenosis (Q40.0)
K31.2Hourglass stricture and stenosis of stomach
Latin: Strictura et stenosis ventriculi formae horologii arenarii
Excludes:congenital hourglass stomach (Q40.2)
hourglass contraction of stomach (K31.8)
K31.3Pylorospasm, not elsewhere classified
Latin: Pylorospasmus
Excludes:pylorospasm:
· congenital or infantile (Q40.0)
· neurotic (F45.3)
· psychogenic (F45.3)
K31.4Gastric diverticulum
Latin: Diverticulum ventriculi
Excludes:congenital diverticulum of stomach (Q40.2)
K31.5Obstruction of duodenum
Latin: Obstructio duodeni
Constriction
Stenosis
Stricture
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of duodenum
Duodenal ileus (chronic)
Excludes:congenital stenosis of duodenum (Q41.0)
K31.6Fistula of stomach and duodenum
Latin: Fistula ventriculi et fistula duodeni
Gastrocolic fistula
Gastrojejunocolic fistula
K31.7Polyp of stomach and duodenum
Latin: .
Excludes:adenomatous polyp of stomach (D13.1)
K31.8Other specified diseases of stomach and duodenum
Latin: Morbi ventriculi et morbi duodeni alii, specificati
Achlorhydria
Gastroptosis
Hourglass contraction of stomach
K31.9Disease of stomach and duodenum, unspecified
Latin: Morbus ventriculi et morbus duodeni, non specificatus