ICD-10-CM FY2027 diagnosis code

I49.8: Other specified cardiac arrhythmias

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

I49.8 groups related diagnoses under other specified cardiac arrhythmias. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under I49.8

I49.81Brugada syndrome
I49.82Ventricular bigeminy
I49.89Other specified cardiac arrhythmias not elsewhere classified

Other codes in I49 Other cardiac arrhythmias

I49.0Ventricular fibrillation and flutterheader
I49.1Atrial premature depolarization
I49.2Junctional premature depolarization
I49.3Ventricular premature depolarization
I49.4Other and unspecified premature depolarizationheader
I49.5Sick sinus syndrome
I49.9Cardiac arrhythmia, unspecified

I49.8 questions

Is I49.8 a billable code?

No. I49.8 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.

What does I49.8 mean?

I49.8 is the ICD-10-CM code for Other specified cardiac arrhythmias. It is in chapter 9, Diseases of the circulatory system (I00-I99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.