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BC63.1 Atrioventricular block, second degree

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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

sections/codes in this section (BC63.1-BC63.1)

• High-grade second degree atrioventricular block  (BC63.10)
• Other specified atrioventricular block, second degree  (BC63.1Y)
• Atrioventricular block, second degree, unspecified  (BC63.1Z)

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