GA11

ICD-11 MMS 2026-01

Adenomyosis

Description

A condition of the uterus characterised by endometrial tissue growth in the myometrium, hypertrophy of the myometrium, and heavy or prolonged menstrual bleeding, dysmenorrhoea, dyspareunia, bleeding between menstruation, or infertility; it can also be asymptomatic. Confirmation is by histopathology or ultrasound.

Index terms

  • Adenomyosis
  • adenomyosis uteri
  • endometriosis interna
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  • endometriosis of myometrium
  • endometriosis, myometrium
  • internal endometriosis
  • Endometriosis of uterus

Excludes

  • 2E86.0 – Leiomyoma of uterus

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • GA10 – Endometriosis
  • GA30 – Menopausal or perimenopausal disorders
  • GA31 – Female infertility
  • GA32 – Complications associated with medically assisted reproduction
  • GA33 – Recurrent pregnancy loss
  • GA34 – Female pelvic pain associated with genital organs or menstrual cycle
  • GA6Y – Other specified diseases of the female genital system
  • GA6Z – Diseases of the female genital system, unspecified

Foundation entity

Adenomyosis – http://id.who.int/icd/entity/171294592

Allowed postcoordination axes

Part of: 16: Diseases of the genitourinary system