JA02

ICD-11 MMS 2026-01

Molar pregnancy

Description

A condition caused by the over-production of cells arising into the placenta during pregnancy. This condition is characterised by a pregnancy with abnormal placental growth in which the chorionic villi become hydropic, trophoblast proliferation and invasion of the uterine tissue within 10-16 weeks after conception, and a placental mass.

Coding note from above levels

The codes included in this chapter are to be used for conditions related to or aggravated by the pregnancy, childbirth or by the puerperium (maternal causes or obstetric causes)

Excludes

  • 2C75.0 – malignant hydatidiform mole

Exclusions from above levels

  • GA33 – Recurrent pregnancy loss
  • JA81.1 – Continuing pregnancy after abortion of one fetus or more
  • 1C14 – Obstetrical tetanus
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  • 22 – Injury, poisoning or certain other consequences of external causes
  • 23 – External causes (for mortality)
  • 5A61.0 – Postpartum necrosis of pituitary gland
  • http://id.who.int/icd/entity/882114523 – Mental or behavioural disorders associated with pregnancy, childbirth or the puerperium

Child codes

  • JA02.0 – Complete hydatidiform mole
  • JA02.1 – Incomplete or partial hydatidiform mole
  • JA02.Y – Other specified molar pregnancy
  • JA02.Z – Molar pregnancy, unspecified

Sibling codes

  • JA00 – Abortion
  • JA01 – Ectopic pregnancy
  • JA03 – Missed abortion
  • JA04 – Blighted ovum or nonhydatidiform mole
  • JA05 – Complications following abortion, ectopic or molar pregnancy
  • JA0Z – Abortive outcome of pregnancy, unspecified

Foundation entity

Molar pregnancy – http://id.who.int/icd/entity/946166369

Allowed postcoordination axes

Part of: 18: Pregnancy, childbirth or the puerperium