5A80.4

ICD-11 MMS 2026-01

Oligo-ovulation

Description

Oligo-ovulation (less than 4 ovulations in the last 12 months) not related to described categories of endocrine dysfunction. Excludes anovulation related to PCOS, hyperprolactinaemia or amenorrhea.

Index terms

  • Oligo-ovulation

Exclusions from above levels

  • 5A61.0 – isolated gonadotropin deficiency
  • 5D44 – Postprocedural ovarian failure
  • 18 – Pregnancy, childbirth or the puerperium
Show allHide
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Sibling codes

  • 5A80.0 – Clinical hyperandrogenism
  • 5A80.1 – Polycystic ovary syndrome
  • 5A80.2 – Polycystic ovary
  • 5A80.3 – Anovulation
  • 5A80.5 – Diminished ovarian reserve
  • 5A80.Y – Other specified ovarian dysfunction
  • 5A80.Z – Ovarian dysfunction, unspecified

Foundation entity

Oligo-ovulation – http://id.who.int/icd/entity/2027425674

Part of: 5A80: Ovarian dysfunction › 05: Endocrine, nutritional or metabolic diseases