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Billing, Payment & Reimbursement

Medical

Information on our billing, payment and reimbursement policies:

Electronic remittance advice (ERA) and Electronic funds transfer (EFT).
Enroll in electronic remittance advice (ERA) and electronic funds transfer (EFT). You may view our ERA/EFT Reference Guide (PDF, 79 KB) or enroll directly by using our ERA/EFT enrollment form (PDF, 407 KB) or EFT Only enrollment form (PDF, 371 KB) (specifically for targeted providers who are contacted as part of the EFT initiative).
Opt-Out Form (PDF, 67 KB) for providers who have received a notification letter targeted for a 2012 shut-off date.
How to Obtain an Independent Review of a Denied Claim
How to Submit a Refund
Why You May Be Asked to Submit Clinical Records
How Aetna pays Out of Network Benefits
State-Specific Guidelines