(1) For health plans issued or renewed on or after January 1, 2025, a health carrier shall provide coverage for ground ambulance transports to behavioral health emergency services providers for enrollees who are experiencing an emergency medical condition as defined in RCW 48.43.005. A health carrier may not require prior authorization of ground ambulance services if a prudent layperson acting reasonably would have believed that an emergency medical condition existed.

(2) Coverage of ground ambulance transports to behavioral health emergency services providers may be subject to applicable in-network copayments, coinsurance, and deductibles, as provided in chapter 48.49 RCW.