BC63

ICD-11 MMS 2026-01

Conduction disorders

Description

Any abnormal alteration of atrio-ventricular conduction.

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Child codes

  • BC63.0 – Atrioventricular block, first degree
  • BC63.1 – Atrioventricular block, second degree
  • BC63.2 – Complete atrioventricular block
  • BC63.3 – Right bundle branch block
  • BC63.4 – Left bundle branch block
  • BC63.5 – Nonspecific intraventricular conduction delay
  • BC63.Y – Other specified conduction disorders
  • BC63.Z – Conduction disorders, unspecified

Sibling codes

  • BC60 – Atrial premature depolarization
  • BC61 – Junctional premature depolarization
  • BC62 – Accessory pathway
  • BC64 – Sudden arrhythmic death syndrome
  • BC65 – Cardiac arrhythmia associated with genetic disorder
  • BC90 – Rhythm disturbance at level of atrioventricular junction
  • BC91 – Pacemaker or implantable cardioverter defibrillator battery at end of battery life
  • BC9Y – Other specified cardiac arrhythmia
  • BC9Z – Cardiac arrhythmia, unspecified

Foundation entity

Conduction disorders – http://id.who.int/icd/entity/486643502

Part of: 11: Diseases of the circulatory system