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R00.0

Billable

Tachycardia, unspecified

R00.0 is the ICD-10-CM code for Tachycardia, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
R00-R99
Parent
R00
Edition
FY2026

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

Includes

  • •Rapid heart beat
  • •Sinoauricular tachycardia NOS
  • •Sinus [sinusal] tachycardia NOS

Excludes1 — not coded here

  • •inappropriate sinus tachycardia, so stated (I47.11)
  • •neonatal tachycardia (P29.11)
  • •paroxysmal tachycardia (I47.-)

Frequently asked questions

What is ICD-10 code R00.0?
R00.0 is the ICD-10-CM code for "Tachycardia, unspecified". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R00.0 a billable code?
Yes — R00.0 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from R00.0?
Excludes1 (not coded here): inappropriate sinus tachycardia, so stated (I47.11); neonatal tachycardia (P29.11); paroxysmal tachycardia (I47.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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