LD42

ICD-11 MMS 2026-01

Polyploidies

Description

Any disease caused by one or more additional sets of chromosomes. Non-mosaic versions of these diseases are characterised by gross fetal malformation or death of the fetus. Confirmation is through observation of supernumerary sets of chromosomes by karyotyping.

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Child codes

Sibling codes

  • LD40 – Complete trisomies of the autosomes
  • LD41 – Duplications of the autosomes
  • LD43 – Complete monosomies of the autosomes
  • LD44 – Deletions of the autosomes
  • LD45 – Uniparental disomies
  • LD46 – Imprinting errors
  • LD47 – Balanced rearrangements or structural rearrangements
  • LD7Y – Other specified chromosomal anomalies, excluding gene mutations
  • LD7Z – Chromosomal anomalies, excluding gene mutations, unspecified

Foundation entity

Polyploidies – http://id.who.int/icd/entity/1286128770

Part of: 20: Developmental anomalies