The Assessor, While Functioning as a "Gatekeeper" for the Admissions

The assessor, while functioning as a "gatekeeper" for the admissions process,

A) must identify which insurance company benefit package will pay for treatment.
B) gathers the information to justify a specific level of treatment interventions.
C) essentially operates on the assumption that everybody has an SUD until proven otherwise.
D) works as an extension of the law enforcement agencies, helping to identify those likely to drive under the influence of chemicals in the future.