(1) The services listed in ARM 37.27.901 must be determined medically necessary by a licensed addiction counselor based upon the Patient Placement Criteria (PPC-2R) guidelines for placement, continued stay and discharge of patients with alcohol and other drug problems published by the American society of addiction medicine (ASAM) dated April 2001, which is hereby adopted and incorporated by reference. Copies of the PPC-2R guidelines may be obtained from the Department of Public Health and Human Services, Addictive and Mental Disorders Division, 555 Fuller, P.O. Box 202905, Helena, MT 59620-2905.

(2) All services except assessment must be based upon a treatment plan established with the client.

(3) All services must be delivered by facilities or programs approved by the department.