I44Non-billable (header)
Atrioventricular and left bundle-branch block
Code Hierarchy
┌9Diseases of the circulatory system (I00-I99)├I30-I5AOther forms of heart disease (I30-I5A)├I44Atrioventricular and left bundle-branch block
└I44Atrioventricular and left bundle-branch block
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