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I49 Other cardiac arrhythmias
BackI49.0Ventricular fibrillation and flutterCategory2 →I49.01Ventricular fibrillationCategoryI49.02Ventricular flutterCategoryI49.1Atrial premature depolarizationCategoryI49.2Junctional premature depolarizationCategoryI49.3Ventricular premature depolarizationCategoryI49.4Other and unspecified premature depolarizationCategory2 →I49.40Unspecified premature depolarizationCategoryI49.49Other premature depolarizationCategoryI49.5Sick sinus syndromeCategoryI49.8Other specified cardiac arrhythmiasCategoryI49.9Cardiac arrhythmia, unspecifiedCategory
Category
I49
Other cardiac arrhythmias
EXCLUDES
Excludes2: bradycardia NOS (R00.1)
neonatal dysrhythmia (P29.1-)
sinoatrial bradycardia (R00.1)
sinus bradycardia (R00.1)
vagal bradycardia (R00.1)
neonatal dysrhythmia (P29.1-)
sinoatrial bradycardia (R00.1)
sinus bradycardia (R00.1)
vagal bradycardia (R00.1)
CODING RULE
Code first: cardiac arrhythmia complicating:
abortion or ectopic or molar pregnancy (O00-O07, O08.8)
obstetric surgery and procedures (O75.4)
abortion or ectopic or molar pregnancy (O00-O07, O08.8)
obstetric surgery and procedures (O75.4)
- Chapter
- IX · Diseases of the circulatory system
- Section
- I30-I5A
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.