ICD-11 classes
11 Diseases of the circulatory system
Cardiac arrhythmia
BC63 — Conduction disorders
BC63.1 — Atrioventricular block, second degree

ICD-11 BC63.1 — Atrioventricular block, second degree

Disorder of the atrioventricular conduction system in which some but not all atrial impulses fail to propogate to the ventricles. Electrocardiographically, some P waves are not followed by a QRS complex

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code BC63.1 contains 3 clarifying diagnoses:

1. BC63.10 — High-grade second degree atrioventricular block
2. BC63.1Y — Other specified atrioventricular block, second degree
3. BC63.1Z — Atrioventricular block, second degree, unspecified