LB45.8

ICD-11 MMS 2026-01

Embryonic cyst of fallopian tube

Description

A condition of the Fallopian tube, caused by the overgrowth of pelvic tissue during the antenatal period. This condition is characterised by air, fluid, or semi-solid material surrounded by a distinct membrane of cells with abnormal appearance and behaviour.

Index terms

  • Embryonic cyst of fallopian tube
  • Fimbrial cyst
  • cyst of Mullerian duct
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  • cyst of mesenteric remnant

Inclusions

  • Fimbrial cyst

Exclusions from above levels

  • LD2A – Disorders of sex development leading to sexual ambiguity
  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LB45.0 – Congenital absence of ovary
  • LB45.1 – 46,XX gonadal dysgenesis
  • LB45.2 – Developmental ovarian cyst
  • LB45.3 – Congenital torsion of ovary
  • LB45.4 – Accessory ovary
  • LB45.5 – Congenital absence of fallopian tube
  • LB45.6 – Atresia of fallopian tube
  • LB45.7 – Accessory fallopian tube
  • LB45.9 – Embryonic cyst of broad ligament
  • LB45.Y – Other specified structural developmental anomalies of ovaries, fallopian tubes or broad ligaments
  • LB45.Z – Structural developmental anomalies of ovaries, fallopian tubes or broad ligaments, unspecified

Foundation entity

Embryonic cyst of fallopian tube – http://id.who.int/icd/entity/440178290

Allowed postcoordination axes

Part of: LB45: Structural developmental anomalies of ovaries, fallopian tubes or broad ligaments › 20: Developmental anomalies