The timely filing limit for Aetna is now only 90 days. However, you can appeal the decision if you have proof of timely filing.
90 DAYS
90 days from the date of service
appeal to secondary insurance
WHAT IS THE TIMELY FILING
Timely Filing Limits for Managed Care
FL BCBS timely filing limit is 180 days
claims filing limit
90
180
90
1 YEAR