GA20.1

ICD-11 MMS 2026-01

Abnormal frequency of uterine bleeding

Description

Any condition of the genital system affecting females, caused by hormonal disturbances. These conditions are characterised by menstrual bleeding episodes that occur with increased frequency or are delayed over several menstrual cycles (within 90 days).

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

Child codes

  • GA20.10 – Frequent menstrual bleeding
  • GA20.11 – Infrequent menstrual bleeding
  • GA20.1Z – Abnormal frequency of uterine bleeding, unspecified

Sibling codes

  • GA20.0 – Amenorrhoea
  • GA20.2 – Ovulation bleeding
  • GA20.3 – Abnormal regularity of uterine bleeding
  • GA20.4 – Abnormal duration of uterine bleeding
  • GA20.5 – Abnormal volume of uterine bleeding
  • GA20.Y – Other specified menstrual cycle bleeding disorders
  • GA20.Z – Menstrual cycle bleeding disorders, unspecified

Foundation entity

Abnormal frequency of uterine bleeding – http://id.who.int/icd/entity/1331864060

Part of: GA20: Menstrual cycle bleeding disorders › 16: Diseases of the genitourinary system