Current
R00 — Abnormalities of heart beat
Part of Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified , block Symptoms and signs involving the circulatory and respiratory systems (R00-R09) .
Official Notes
Excludes1
abnormalities originating in the perinatal period ( P29.1- )
Excludes2
specified arrhythmias (I47-I49)
Child Codes
FY 2027 effective October 1, 2026 · CDC NCHS and CMS