5A43.1

ICD-11 MMS 2026-01

Zollinger-Ellison syndrome

Description

A syndrome characterised by the presence of a gastrin-secreting tumour, usually in the pancreas or duodenum, resulting in increased gastric acidity and formation of gastric ulcers. Signs and symptoms include abdominal pain and diarrhea. It may be sporadic or a manifestation of multiple endocrine neoplasia type 1.

Index terms

  • Zollinger-Ellison syndrome
  • ZE - [Zollinger-Ellison] syndrome

Exclusions from above levels

  • 2C10 – Malignant neoplasm of pancreas
  • 2E92.9 – Benign neoplasm of endocrine pancreas
  • 2F7A.0 – Multiple endocrine neoplasia type 1
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  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Sibling codes

  • 5A43.0 – Drug-induced hypergastrinaemia
  • 5A43.Y – Other specified abnormal secretion of gastrin
  • 5A43.Z – Abnormal secretion of gastrin, unspecified

Foundation entity

Zollinger-Ellison syndrome – http://id.who.int/icd/entity/375645550

Part of: 5A43: Abnormal secretion of gastrin › 05: Endocrine, nutritional or metabolic diseases