ICD10 Diagnosis 2016 I4940 Unspecified premature depolarization I4949 Other premature depolarization I495 Sick sinus syndrome I498 Other specified cardiac arrhythmias I499 Cardiac arrhythmia, unspecified I501 Left ventricular failure I5020 Unspecified systolic (congestive) heart failure I5021 Acute systolic ...