It may vary from state to state, but in most states it is 30 days. Many compaines have there own policies that state you must report within a certain amount of time or there can be disiplinary action taken.
45 days
claims filing limit
In New York, the timely filing limit for Medicaid is generally within 90 days from the date of service. It is important to submit claims promptly to ensure reimbursement. Claims filed after the timely filing limit may be denied for payment.
WHAT IS THE TIMELY FILING
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 from primary insurance payment/denial date.
Timely Filing Limits for Managed Care
180
90
90
1 YEAR
5.5 days