ICD-10-CM
I49.9 - Cardiac arrhythmia, unspecified
Code
I49.9 - Cardiac arrhythmia, unspecified
[Billable]
[Billable]
Includes
- Arrhythmia (cardiac) NOS
Code Tree
I00-I99 - Diseases of the circulatory system
- I30-I5A - Other forms of heart disease
- I49 - Other cardiac arrhythmias
- I49.0 - Ventricular fibrillation and flutter
- I49.1 - Atrial premature depolarization
- I49.2 - Junctional premature depolarization
- I49.3 - Ventricular premature depolarization
- I49.4 - Other and unspecified premature depolarization
- I49.5 - Sick sinus syndrome
- I49.8 - Other specified cardiac arrhythmias
- I49.9 - Cardiac arrhythmia, unspecified
- I49 - Other cardiac arrhythmias
Citation
"I49.9 - Cardiac Arrhythmia, Unspecified." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/891453/all/I49_9___Cardiac_arrhythmia__unspecified.
I49.9 - Cardiac arrhythmia, unspecified. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/891453/all/I49_9___Cardiac_arrhythmia__unspecified. Accessed May 26, 2026.
I49.9 - Cardiac arrhythmia, unspecified. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/891453/all/I49_9___Cardiac_arrhythmia__unspecified
I49.9 - Cardiac Arrhythmia, Unspecified [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 May 26]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/891453/all/I49_9___Cardiac_arrhythmia__unspecified.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - I49.9 - Cardiac arrhythmia, unspecified
ID - 891453
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/891453/all/I49_9___Cardiac_arrhythmia__unspecified
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
