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ALL MEDICAL CODES IN CATEGORY I45 Other conduction disorders I45.0 Right fascicular block I45.1 Other and unspecified right bundle-branch block I45.10 Unspecified right bundle-branch block I45.19 Other right bundle-branch block I45.2 Bifascicular block I45.3 Trifascicular block I45.4 Nonspecific intraventricular block I45.5 Other specified heart block I45.6 Pre-excitation syndrome I45.8 Other specified conduction disorders I45.81 Long QT syndrome I45.89 Other specified conduction disordersI45.9 Conduction disorder, unspecified

2025 ICD-10-CM code I45.4

Nonspecific intraventricular block. This condition affects the heart's electrical conduction system, specifically the ventricles.