R00 (Abnormalities of heart beat) is an umbrella ICD-10-CM medical diagnosis code in the Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified chapter. It identifies cases of abnormalities of heart beat for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

R00 — Abnormalities of heart beat

Chapter R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Need plain-language info on this diagnosis?

Ask GoDavaii AI about Abnormalities of heart beat

Sub-codes under R00

R00.0Tachycardia, unspecifiedR00.1Bradycardia, unspecifiedR00.2PalpitationsR00.8Other abnormalities of heart beatR00.9Unspecified abnormalities of heart beat

Common questions about R00 (Abnormalities of heart beat)

What does ICD-10 code R00 mean?
R00 is the ICD-10-CM 2025 code for 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 a billable diagnosis code?
R00 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under R00. Browse the sub-codes listed on this page.
Which ICD-10 chapter does R00 belong to?
R00 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 Abnormalities of heart beat?
For a plain-language explanation of 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 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 ↗