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I44.3

Non-billable

Other and unspecified atrioventricular block

I44.3 is the ICD-10-CM code for Other and unspecified atrioventricular block. It is a non-billable category code — use a more specific child code such as I44.30 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I44
Subcodes
2
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • •Atrioventricular block NOS

Frequently asked questions

What is ICD-10 code I44.3?
I44.3 is the ICD-10-CM code for "Other and unspecified atrioventricular block". It falls under I00-I99 Diseases of the circulatory system.
Is I44.3 a billable code?
No — I44.3 is a non-billable header code. Use a more specific child code (such as I44.30) for billing.
What are the subcodes of I44.3?
I44.3 has 2 more specific child codes, including I44.30, I44.39.

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

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