Chronic atrial fibrillation, unspecified
- I48.20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM I48.20 became effective on October 1, 2024.
- This is the American ICD-10-CM version of I48.20 – other international versions of ICD-10 I48.20 may differ.
Type 1 Excludes
- Chronic persistent atrial fibrillation (I48.19)
The following code(s) above I48.20 contain annotation back-references
that may be applicable to I48.20:
- I00-I99 Diseases of the circulatory system
ICD-10-CM I48.20 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 308 Cardiac arrhythmia and conduction disorders with mcc
- 309 Cardiac arrhythmia and conduction disorders with cc
- 310 Cardiac arrhythmia and conduction disorders without cc/mcc
Code History
- 2020 (effective 10/1/2019): New code
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to I48.20:
- Fibrillation
- atrial or auricular (established) I48.91
- chronic I48.20
- atrial or auricular (established) I48.91