I45.3

Billable

Trifascicular block

I45.3 is the ICD-10-CM code for Trifascicular block. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I45
Edition
FY2026

I00-I99 Diseases of the circulatory system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code I45.3?
I45.3 is the ICD-10-CM code for "Trifascicular block". It falls under I00-I99 Diseases of the circulatory system.
Is I45.3 a billable code?
Yes — I45.3 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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