I45.5
BillableOther specified heart block
I45.5 is the ICD-10-CM code for Other specified heart block. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
Includes
- •Sinoatrial block
- •Sinoauricular block
Excludes1 — not coded here
- •heart block NOS (I45.9)
Frequently asked questions
- What is ICD-10 code I45.5?
- I45.5 is the ICD-10-CM code for "Other specified heart block". It falls under I00-I99 Diseases of the circulatory system.
- Is I45.5 a billable code?
- Yes — I45.5 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from I45.5?
- Excludes1 (not coded here): heart block NOS (I45.9).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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