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I48.91 - Unspecified atrial fibrillation


The ICD 10 Code for Unspecified atrial fibrillation is listed as I48.91.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I48.91
Description: Unspecified atrial fibrillation
Diagnostic Related Groups
(MS-DRG v30.0)
308 - Cardiac Arrhythmia & Conduction Disorders W Mcc
309 - Cardiac Arrhythmia & Conduction Disorders W Cc
310 - Cardiac Arrhythmia & Conduction Disorders W/o Cc/mcc
793 - Full Term Neonate W Major Problems
Chapter Diseases of the circulatory system (I00-I99)
Block Other forms of heart disease (I30-I52)
Parent I48.9 - Unspecified atrial fibrillation and atrial flutter
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 427.31 - Atrial fibrillation (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I48.91:
I48.92 - Unspecified atrial flutter