I48.2 Chronic atrial fibrillationNon-billable header with 2 child codes.
427.31 Atrial fibrillation (approximate)M35.81 Multisystem inflammatory syndrome ("cardiac arrhythmia (I47-I49.-)")R00 Abnormalities of heart beat ("specified arrhythmias (I47-I49)")I48 Atrial fibrillation and flutterI48.0 Paroxysmal atrial fibrillationI48.1 Persistent atrial fibrillationI48.11 Longstanding persistent atrial fibrillationI48.19 Other persistent atrial fibrillationI48.2 Chronic atrial fibrillation (this code)I48.20 Chronic atrial fibrillation, unspecifiedI48.21 Permanent atrial fibrillationI48.3 Typical atrial flutterI48.4 Atypical atrial flutterI48.9 Unspecified atrial fibrillation and atrial flutter