5A80.2

ICD-11 MMS 2026-01

Polycystic ovary

Description

Ovary with increased size (> 7 mL) and stromal volume, and with increased number of follicles (12 or more measuring 2-9 mm in diameter), that may be present in women with PCOS [polycystic ovary syndrome], but also in women with normal ovulatory function and normal fertility (unilaterally or bilaterally).

Index terms

  • Polycystic ovary
  • PCO - [polycystic ovary]
  • polycystic ovary NOS

Excludes

  • 5A80.1 – Polycystic ovary syndrome

Exclusions from above levels

  • 5A61.0 – isolated gonadotropin deficiency
  • 5D44 – Postprocedural ovarian failure
  • 18 – Pregnancy, childbirth or the puerperium
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  • 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
  • 5A80.3 – Anovulation
  • 5A80.4 – Oligo-ovulation
  • 5A80.5 – Diminished ovarian reserve
  • 5A80.Y – Other specified ovarian dysfunction
  • 5A80.Z – Ovarian dysfunction, unspecified

Foundation entity

Polycystic ovary – http://id.who.int/icd/entity/751558883

Allowed postcoordination axes

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