From parent levels

ChapterXIDiseases of the digestive systemOpen

Exclusions

  • certain conditions originating in the perinatal period (P00-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O99)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E90)
  • injury, poisoning and certain other consequences of external causes (S00-T98)
  • neoplasms (C00-D48)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockK20-K31Diseases of oesophagus, stomach and duodenumOpen

Exclusions

  • hiatus hernia (K44.-)

Modifiers

The following fourth-character subdivisions are for use with categories K25, K26, K27, K28:

.0 Acute with haemorrhage
.1 Acute with perforation
.2 Acute with both haemorrhage and perforation
.3 Acute without haemorrhage or perforation
.4 Chronic or unspecified with haemorrhage
.5 Chronic or unspecified with perforation
.6 Chronic or unspecified with both haemorrhage and perforation
.7 Chronic without haemorrhage or perforation
.9 Unspecified as acute or chronic, without haemorrhage or perforation
CategoryK31Other diseases of stomach and duodenumOpen

Inclusions

  • functional disorders of stomach

Exclusions

K31.3

CategoryResidualBlock K20-K31Chapter XI

Pylorospasm, not elsewhere classified

Exclusions

  • pylorospasm: congenital or infantile (Q40.0)
  • pylorospasm: neurotic (F45.3)
  • pylorospasm: psychogenic (F45.3)
Parent: K31 Other diseases of stomach and duodenum