ICD-10-CM > I00-I99 > I30-I5A > I45 I45 Other conduction disorders Non-Billable/Non-Specific Codes I45.0Right fascicular blockI45.1Other and unspecified right bundle-branch blockI45.10Unspecified right bundle-branch blockI45.19Other right bundle-branch blockI45.2Bifascicular blockI45.3Trifascicular blockI45.4Nonspecific intraventricular blockI45.5Other specified heart blockI45.6Pre-excitation syndromeI45.8Other specified conduction disordersI45.81Long QT syndromeI45.89Other specified conduction disordersI45.9Conduction disorder, unspecified