LB42.3

ICD-11 MMS 2026-01

Tight hymenal ring

Description

A condition of the vagina, caused by determinants arising during the antenatal period. This condition is characterised by tightening of the hymen and stenosis of the external opening of the vagina, and dyspareunia.

Index terms

  • Tight hymenal ring
  • Rigid hymen
  • Tight introitus
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  • hymen occlusion
  • rigid hymen acquired or congenital
  • stenosis of hymen
  • stricture of hymen
  • thickening of hymen
  • tight hymenal ring acquired or congenital
  • tight introitus acquired or congenital

Inclusions

  • Rigid hymen
  • Tight introitus

Excludes

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

  • LB42.0 – Absence of vagina
  • LB42.1 – Septate vagina
  • LB42.2 – Congenital rectovaginal fistula
  • LB42.4 – Imperforate hymen
  • LB42.5 – Stricture or atresia of vagina
  • LB42.Y – Other specified structural developmental anomalies of vagina
  • LB42.Z – Structural developmental anomalies of vagina, unspecified

Foundation entity

Tight hymenal ring – http://id.who.int/icd/entity/931703273

Part of: LB42: Structural developmental anomalies of vagina › 20: Developmental anomalies