I49.4
⚠ Non-billable
Other and unspecified premature depolarization
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I49.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I49.4?
ICD-10-CM code I49.4 represents Other and unspecified premature depolarization. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I49.4 billable?
No. I49.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I49.4 in?
I49.4 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I49 category
I49
Other cardiac arrhythmias
Non-billable
I49.0
Ventricular fibrillation and flutter
Non-billable
I49.1
Atrial premature depolarization
Billable
I49.2
Junctional premature depolarization
Billable
I49.3
Ventricular premature depolarization
Billable
I49.5
Sick sinus syndrome
Billable
I49.8
Other specified cardiac arrhythmias
Billable
I49.9
Cardiac arrhythmia, unspecified
Billable
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