Is R00 a billable code?
No. R00 is a header code that groups 5 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
R00: Abnormalities of heart beat
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
R00 groups related diagnoses under abnormalities of heart beat. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
R00 questions
What does R00 mean?
R00 is the ICD-10-CM code for Abnormalities of heart beat. It is in chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).
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.