I45 Other conduction disorders

Category / Non-billable header 13 subcodes

Block: Other forms of heart disease (I30-I5A)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I45..0 Right fascicular block Yes
I45..1 Other and unspecified right bundle-branch block No
I45..10 Unspecified right bundle-branch block Yes
I45..19 Other right bundle-branch block Yes
I45..2 Bifascicular block Yes
I45..3 Trifascicular block Yes
I45..4 Nonspecific intraventricular block Yes
I45..5 Other specified heart block Yes
I45..6 Pre-excitation syndrome Yes
I45..8 Other specified conduction disorders No
I45..81 Long QT syndrome Yes
I45..89 Other specified conduction disorders Yes
I45..9 Conduction disorder, unspecified Yes

Last reviewed: September 2026