ICD-10-CM · Billable Code
R00.9 — Unspecified abnormalities of heart beat
Chapter R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
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Common questions about R00.9 (Unspecified abnormalities of heart beat)
What does ICD-10 code R00.9 mean?
R00.9 is the ICD-10-CM 2025 code for Unspecified abnormalities of heart beat. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is R00.9 a billable diagnosis code?
Yes, R00.9 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does R00.9 belong to?
R00.9 belongs to the chapter "Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified" (codes R00-R99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Unspecified abnormalities of heart beat?
For a plain-language explanation of Unspecified abnormalities of heart beat, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Unspecified abnormalities of heart beat" above to get a personalised answer.
Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗