I48: Atrial fibrillation and flutter


In outpatient care, the ICD code on medical documents is always appended with a diagnostic confidence indicator (A, G, V or Z): A (excluded diagnosis), G (confirmed diagnosis), V (tentative diagnosis) and Z (condition after a confirmed diagnosis).


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Atrial fibrillation

If the heart beats too fast and palpitations frequently occur, this can be due to atrial fibrillation. The condition is not immediately life-threatening but can increase the likelihood of a stroke.