Certain infectious and parasitic diseases

Q39.4 Oesophageal web
Q39.5 Congenital dilatation of oesophagus
Q39.6 Diverticulum of oesophagus
Oesophageal pouch
Q39.8 Other congenital malformations of oesophagus
Absent
Congenital
displacement
} (of) oesophagus
Duplication
Q39.9 Congenital malformation of oesophagus, unspecified
Q40 Other congenital malformations of upper alimentary tract
Q40.0 Congenital hypertrophic pyloric stenosis
Congenital or infantile:
· constriction
· hypertrophy
· spasm
of pylorus
· stenosis
· stricture
Q40.1 Congenital hiatus hernia
Displacement of cardia through oesophageal hiatus
Excludes: congenital diaphragmatic hernia ( Q79.0 )
Q40.2 Other specified congenital malformations of stomach
Congenital:
· displacement of stomach
· diverticulum of stomach
· hourglass stomach
Duplication of stomach
Megalogastria
Microgastria
Q40.3 Congenital malformation of stomach, unspecified
Q40.8 Other specified congenital malformations of upper alimentary tract
Q40.9 Congenital malformation of upper alimentary tract, unspecified
Congenital:
· anomaly
· deformity } NOS of upper alimentary tract
Q41 Congenital absence, atresia and stenosis of small intestine
Includes: congenital obstruction, occlusion and stricture of small intestine or
intestine NOS
Excludes: meconium ileus ( E84.1 )
Q41.0 Congenital absence, atresia and stenosis of duodenum
556 WHO’s ICD-10