R00
Non-billableAbnormalities of heart beat
R00 is the ICD-10-CM code for Abnormalities of heart beat. It is a non-billable category code — use a more specific child code such as R00.0 for billing.
- Status
- Header (non-billable)
- Chapter
- R00-R99
- Subcodes
- 5
- Edition
- FY2026
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Excludes1 — not coded here
- •abnormalities originating in the perinatal period (P29.1-)
Frequently asked questions
- What is ICD-10 code R00?
- R00 is the ICD-10-CM code for "Abnormalities of heart beat". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R00 a billable code?
- No — R00 is a non-billable header code. Use a more specific child code (such as R00.0) for billing.
- What is excluded from R00?
- Excludes1 (not coded here): abnormalities originating in the perinatal period (P29.1-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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