I44.0
Atrioventricular block, first degree
Sibling codes
I44Atrioventricular and left bundle-branch blockI44.1Atrioventricular block, second degreeI44.2Atrioventricular block, completeI44.3Other and unspecified atrioventricular blockI44.4Left anterior fascicular blockI44.5Left posterior fascicular blockI44.6Other and unspecified fascicular blockI44.7Left bundle-branch block, unspecified