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I45.5

✓ Billable

Other specified heart block

Diseases of the circulatory system (I00-I99)

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Also Known As

Sinoatrial blockSinoauricular block

❌ Excludes1

direct

Cannot be coded with I45.5

  • • heart block NOS (I45.9)

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Code Information

CodeI45.5
BillableYes
ParentI45
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)