Subjective: Here to follow up on her atrial fibrillation. No new problems. Feeling well. Medications are per medication sheet. These were reconstituted with the medications that she was discharged home on. Objective: Blood pressure is 110/64. Pulse is regular at 72. Neck is supple. Chest is clear. Cardiac normal sinus rhythm. Assessment: Atrial fibrillation, currently stable. Plan: 1. Prothrombin time to monitor long term use of anticoagulant. 2. Follow up with me in one month or sooner as needed if she has any other problems in the meantime. Will also check a creatinine and potassium today. What diagnosis code(s) are reported