MO SB1687

Requires health benefit plans, third-party administrators, and pharmacy benefits managers to respond to state inquiries about health care payment claims within 60 days of receiving the inquiry

Prohibits third parties from denying MO HealthNet subrogation claims solely based on failure to provide prior authorization, with exceptions for original Medicare fee-for-service, Medicare Advantage plans, and prescription drug plans under Medicare Part D

Requires third parties to accept state authorization that an item or service is covered under the state Medicaid plan as equivalent to prior authorization by the third party, with the same Medicare program exceptions

Extends the state's subrogation claim filing period to three years from the date services were provided, with enforcement actions permitted within six years of the state's claim submission