IDR filing for Missouri providers: state arbitration or federal IDR

What Missouri's law covers

Section 376.690 RSMo, enacted in 2018 and amended in 2019, applies when a patient seeks treatment for an emergency medical condition at an in-network facility and receives unanticipated care from an out-of-network professional. The patient owes only in-network cost-sharing. The Department of Commerce & Insurance (DCI) runs the arbitration program and publishes the approved arbitrator list.

The Missouri timeline

1. The carrier must offer a reasonable reimbursement within 45 processing days of receiving the professional claim.
2. The parties negotiate; the statute provides a 60-day negotiation period.
3. Either side may initiate arbitration by notifying the DCI director and the other party within 120 days after negotiation ends, and both must show the negotiation period was completed.

Which claims go federal

• Self-funded ERISA employer plans — the state law can't reach them
• Non-emergency out-of-network care at in-network facilities — scheduled surgery, assistants, anesthesia, pathology and radiology on elective cases
• Air ambulance — always federal

For a Missouri surgical or hospital-based group, that usually means the majority of disputable volume is federal, with state arbitration reserved for emergency-origin cases on fully insured plans.

What we do for Missouri groups

• Route each claim by plan type and emergency status — state DCI arbitration or federal portal
• Track the 45-day, 60-day and 120-day state clocks alongside federal business-day deadlines
• Build federal offers from determination data rather than the state's Medicare-based band

FAQ

Does Missouri have its own surprise billing arbitration?

Yes. RSMo 376.690 provides arbitration through the Missouri Department of Commerce & Insurance for unanticipated out-of-network care arising from an emergency medical condition at an in-network facility, under state-regulated plans.

What is the deadline to request Missouri arbitration?

Written notice must go to the DCI director and the other party within 120 days after the end of the negotiation period.

How are Missouri arbitration awards limited?

Awards fall between 120% of the Medicare-allowed amount and the 70th percentile of the usual and customary rate, based on independent nonprofit benchmarks.

Do Missouri self-funded plan claims go to state arbitration?

No. Self-funded ERISA plans are outside the state law, so those disputes go to federal IDR.

Sources: Missouri Department of Commerce & Insurance, external arbitration process; DCI Insurance Bulletin 20-18 (June 26, 2020); 20 CSR 400-14.100; RSMo 376.690 as amended by SB 514/HB 399 (2019). IDR Filings is not a law firm and this page is not legal advice.