2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > Cardiac Dysrhythmias 427.* > 2006 ICD-9-CM Diagnosis 427.3 Atrial fibrillation and flutter View the most recent version of ICD-9-CM 427.3 427.3 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 427.* hierarchy