WAC 182-550-7000. Outpatient prospective payment system (OPPS) — General

(1) The medicaid agency pays for outpatient services using an outpatient prospective payment system (OPPS) for all hospitals that do not qualify as in-state critical access hospitals per WAC 182-550-2598 . (2) The agency uses the enhanced ambulatory payment group (EAPG) software provided by 3M TM Health Information Systems to group OPPS claims based on services performed and resource intensity. (3) The agency uses the group established in subsection (2) of this section to determine payment for OPPS claims.