I44.1

Billable

Atrioventricular block, second degree

I44.1 is the ICD-10-CM code for Atrioventricular block, second degree. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I44
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What is an arrhythmia? An arrhythmia is a problem with the rate or rhythm of your heartbeat. Your heart beats too quickly, too slowly, or with an irregular pattern. Changes in the electrical signals that control your heartbeat cause arrhythmias. When your heart beats faster than normal, it's called tachycardia . When your heart beats too slowly, it's called bradycardia . When the signal to beat comes too early, it's…

Read more about Arrhythmia at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Atrioventricular block, type I and II
  • Möbitz block, type I and II
  • Second degree block, type I and II
  • Wenckebach's block

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code I44.1?
I44.1 is the ICD-10-CM code for "Atrioventricular block, second degree". It falls under I00-I99 Diseases of the circulatory system.
Is I44.1 a billable code?
Yes — I44.1 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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