16Diseases of the genitourinary system
Diseases of the female genital system
Abnormal uterine or vaginal bleeding
GA20Menstrual cycle bleeding disorders
GA20.1
category
Abnormal frequency of uterine bleeding
Definition 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).
Nearby in Menstrual cycle bleeding disorders
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
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This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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