I44Non-billable (header)
Atrioventricular and left bundle-branch block
Related Codes· Other forms of heart disease (I30-I5A)
I30Acute pericarditisI31Other diseases of pericardiumI32Pericarditis in diseases classified elsewhereI33Acute and subacute endocarditisI34Nonrheumatic mitral valve disordersI35Nonrheumatic aortic valve disordersI36Nonrheumatic tricuspid valve disordersI37Nonrheumatic pulmonary valve disordersI38Endocarditis, valve unspecifiedI39Endocarditis and heart valve disorders in diseases classifie…I40Acute myocarditisI41Myocarditis in diseases classified elsewhereI42Cardiomyopathy
Sub-codes of I44(8)
I44 is a non-billable header. Select a sub-code to bill.
I44.0Atrioventricular block, first degree✓ BillableI44.1Atrioventricular block, second degree✓ BillableI44.2Atrioventricular block, complete✓ BillableI44.3Other and unspecified atrioventricular blockHeaderI44.4Left anterior fascicular block✓ BillableI44.5Left posterior fascicular block✓ BillableI44.6Other and unspecified fascicular blockHeaderI44.7Left bundle-branch block, unspecified✓ Billable
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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