I45.0
✓ BillableRight fascicular block
Diseases of the circulatory system (I00-I99)
✅ No additional coding notes for I45.0
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CodeI45.0
BillableYes
ParentI45
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)