ICD-10-CM FY2027 diagnosis code

I49: Other cardiac arrhythmias

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

I49 groups related diagnoses under other 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

I49 questions

Is I49 a billable code?

No. I49 is a header code that groups 12 more specific codes. Use one of the billable codes listed on this page instead.

What does I49 mean?

I49 is the ICD-10-CM code for Other 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.