RCW 74.09.330
RCW 74.09.330: Reimbursement methodology for ambulance services—Transport of a medical assistance enrollee to a mental health facility or chemical dependency program.
The authority shall develop a reimbursement methodology for ambulance services when transporting a medical assistance enrollee to a mental health facility or chemical dependency program in accordance with the applicable alternative facility procedures adopted under RCW 70.168.100 .