Question: what is the icd 9 code for atrial fibrillation with rapid ventricular response?
Answer: 2013 ICD-9-CM Diagnosis Code 427.31 : Atrial fibrillation. ICD-9-CM 427.31 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 427.31 should only be used for claims with a date of service on or before September 30, 2015.