ICD-11 classes
11 Diseases of the circulatory system
Cardiac arrhythmia
BC65 — Cardiac arrhythmia associated with genetic disorder
BC65.0 — Long QT syndrome

ICD-11 BC65.0 — Long QT syndrome

A congenital disorder of ventricular myocardial repolarization characterised by a prolonged QT interval on the electrocardiogram (ECG) that can lead to symptomatic ventricular arrhythmias and an increased risk of sudden cardiac death.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.