BC65.2

ICD-11 MMS 2026-01

Short QT syndrome

Description

Familial short QT syndrome is a rare cardiac rhythm disorder that associates a short QT interval (QT and QTc 300 ms) on the surface electrocardiogram (ECG) with a high risk of syncope or sudden death due to malignant ventricular arrhythmia.

Index terms

  • Short QT syndrome
  • Familial short QT syndrome

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

Sibling codes

  • BC65.0 – Long QT syndrome
  • BC65.1 – Brugada syndrome
  • BC65.3 – Early repolarisation syndrome
  • BC65.4 – Idiopathic ventricular fibrillation
  • BC65.5 – Catecholaminergic polymorphic ventricular tachycardia
  • BC65.Y – Other specified cardiac arrhythmia associated with genetic disorder
  • BC65.Z – Cardiac arrhythmia associated with genetic disorder, unspecified

Foundation entity

Short QT syndrome – http://id.who.int/icd/entity/553392015

Part of: BC65: Cardiac arrhythmia associated with genetic disorder › 11: Diseases of the circulatory system