ICD-10-CM Diagnosis Code (2025)
Official Description for I49
Other cardiac arrhythmias
Coding Notes & Guidelines for I49
Excludes2: Not Included Here
- bradycardia NOS (R00.1)
- neonatal dysrhythmia (P29.1-)
- sinoatrial bradycardia (R00.1)
- sinus bradycardia (R00.1)
- vagal bradycardia (R00.1)
Code First
- cardiac arrhythmia complicating:
- abortion or ectopic or molar pregnancy (O00-O07, O08.8)
- obstetric surgery and procedures (O75.4)
Inclusion Terms
Atrial premature beats
Inclusion Terms
Premature beats NOS
Inclusion Terms
- Ectopic beats
- Extrasystoles
- Extrasystolic arrhythmias
- Premature contractions
Inclusion Terms
Tachycardia-bradycardia syndrome
Inclusion Terms
- Brugada syndrome
- Coronary sinus rhythm disorder
- Ectopic rhythm disorder
- Nodal rhythm disorder
Inclusion Terms
Arrhythmia (cardiac) NOS
Child Codes (More Specific Codes for I49):
I49.0 - Ventricular fibrillation and flutter
I49.01 - Ventricular fibrillation
I49.02 - Ventricular flutter
I49.1 - Atrial premature depolarization
I49.2 - Junctional premature depolarization
I49.3 - Ventricular premature depolarization
I49.4 - Other and unspecified premature depolarization
I49.40 - Unspecified premature depolarization
I49.49 - Other premature depolarization
I49.5 - Sick sinus syndrome
I49.8 - Other specified cardiac arrhythmias
I49.9 - Cardiac arrhythmia, unspecified
About ICD-10-CM Code I49 (Other cardiac arrhythmias)
ICD-10-CM code I49 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I49 became effective on October 1, 2024.
This page provides detailed information about I49 - Other cardiac arrhythmias. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other cardiac arrhythmias.