ICD-10 Code: I48.91 – Unspecified atrial fibrillation

ICD-10 code I48.91 corresponds to Unspecified atrial fibrillation. This code is classified under the chapter I48 Atrial fibrillation and flutter, which is part of the I30-I5A: Other forms of heart disease category.

The parent chapter is Diseases of the circulatory system.