Ambulance providers must use procedure code modifiers published by MAA when billing MAA for ambulance trips. The appropriate modifiers must be used for all services related to the same trip for the same client.

[WSR 11-14-075, recodified as § 182-546-0600, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.04.057, 74.08.090, and 74.09.510. WSR 04-17-118, § 388-546-0600, filed 8/17/04, effective 9/17/04. Statutory Authority: RCW 74.08.090, 74.09.500, 74.04.050, 74.04.055, and 74.04.057. WSR 01-03-084, § 388-546-0600, filed 1/16/01, effective 2/16/01.]

PDFWAC 182-546-0600

Procedure code modifiers.