GA20.11

ICD-11 MMS 2026-01

Infrequent menstrual bleeding

Description

Menstruation with a frequency of 39 days or more

Index terms

  • Infrequent menstrual bleeding
  • Hypomenorrhoea NOS
  • infrequent menses
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  • infrequent menstruation
  • infrequent periods
  • oligomenorrhoea
  • relative amenorrhoea
  • Postponement of menstruation

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

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

Foundation entity

Infrequent menstrual bleeding – http://id.who.int/icd/entity/650279131

Part of: GA20.1: Abnormal frequency of uterine bleeding › GA20: Menstrual cycle bleeding disorders › 16: Diseases of the genitourinary system