Excludes: abnormalities originating in the perinatal period (P29.1)
specified arrhythmias (I47-I49)
R00.0
Tachycardia, unspecified
Rapid heart beat
R00.1
Bradycardia, unspecified
Slow heart beat
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
R00.2
Palpitations
Awareness of heart beat
R00.8
Other and unspecified abnormalities of heart beat