R00.0: Tachycardia, unspecified

An adult’s heart normally beats between 60 and 80 times a minute. Children usually have a faster heartbeat. An adult’s heartbeat is said to be too fast when the heart regularly beats at over 100 times per minute.

Patient Disclaimer

The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.

If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.

For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.