Atrioventricular and left bundle-branch block

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 8 more specific codes instead:

• I44.0 Atrioventricular block, first degree
• I44.1 Atrioventricular block, second degree
• I44.2 Atrioventricular block, complete
• I44.3 Other and unspecified atrioventricular block (also a header)
• I44.4 Left anterior fascicular block
• I44.5 Left posterior fascicular block
• I44.6 Other and unspecified fascicular block (also a header)
• I44.7 Left bundle-branch block, unspecified