LB21.2

ICD-11 MMS 2026-01

Accessory pancreas

Description

Accessory pancreas is an asymptomatic embryopathy characterised by the presence of pancreatic tissue in other sites of the body such as the splenic pedicle, gonadic pedicles, intestinal mesentery, duodenum wall, upper jejunum, or, more rarely, the gastric wall, ileum, gallbladder or spleen.

Index terms

  • Accessory pancreas
  • Aberrant pancreas
  • Ectopic pancreas
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  • Heterotopic pancreas

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LB21.0 – Annular pancreas
  • LB21.1 – Pancreas divisum
  • LB21.3 – Agenesis-aplasia of pancreas
  • LB21.4 – Partial agenesis of pancreas
  • LB21.5 – Hypoplasia of pancreas
  • LB21.Y – Other specified structural developmental anomalies of pancreas
  • LB21.Z – Structural developmental anomalies of pancreas, unspecified

Foundation entity

Accessory pancreas – http://id.who.int/icd/entity/240534435

Part of: LB21: Structural developmental anomalies of pancreas › 20: Developmental anomalies