LB73.24

ICD-11 MMS 2026-01

Segmentation anomalies of vertebrae

Description

Any condition caused by failure of the vertebrae to correctly develop during the antenatal period. These conditions are characterised by an abnormal number of fully developed vertebrae. Confirmation is through verification of absent or improperly formed vertebrae by imaging.

Index terms

  • Segmentation anomalies of vertebrae
  • Isolated hemivertebra
  • Multiple segmentation anomalies of vertebrae

Exclusions from above levels

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

Sibling codes

  • LB73.20 – Klippel-Feil anomaly
  • LB73.21 – Occipitalisation of atlas
  • LB73.22 – Atlanto-axial instability or subluxation
  • LB73.23 – Aplasia or hypoplasia of the odontoid process of axis
  • LB73.25 – Congenital scoliosis due to congenital bony malformation
  • LB73.26 – Sacralisation of the last lumbar vertebra
  • LB73.27 – Lumbarisation of the first sacral vertebra
  • LB73.28 – Sacrum agenesis or hypoplasia
  • LB73.29 – Caudal appendage
  • LB73.2A – Congenital spondylolisthesis
  • LB73.2Y – Other specified structural developmental anomalies of spine
  • LB73.2Z – Structural developmental anomalies of spine, unspecified

Foundation entity

Segmentation anomalies of vertebrae – http://id.who.int/icd/entity/274188374

Allowed postcoordination axes

Part of: LB73.2: Structural developmental anomalies of spine › LB73: Structural developmental anomalies of spine or bony thorax › 20: Developmental anomalies