ICD-10-CM › R00-R99 › R00-R09 › R00 Abnormalities of heart beat › R00.0
Tachycardia, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Tachycardia, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from R00 Abnormalities of heart beat
Excludes1 - never coded here
- abnormalities originating in the perinatal period (P29.1-)
Excludes2 - not included here
- specified arrhythmias (I47-I49)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Tachyarrhythmia, tachyrhythmia
- Fast pulse
- Tachycardia
- Pulse > fast
- Pulse > rapid
- Rapid > heart
- Heart beat > rapid
- Sinus > tachycardia
- Tachycardia > sinoauricular NOS
- Tachycardia > sinus [sinusal] NOS
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R00.1 | Bradycardia, unspecified | Valid |
| R00.2 | Palpitations | Valid |
| R00.8 | Other abnormalities of heart beat | Valid |
| R00.9 | Unspecified abnormalities of heart beat | Valid |