WA SB5112

Creates a new "prescribing psychologist" certification allowing licensed psychologists to prescribe, administer, and discontinue psychotropic medications for mental health disorders after completing a master's degree in clinical psychopharmacology (minimum 400 contact hours), 80 hours of supervised physical assessment training, and a 500-hour clinical prescribing fellowship with at least 100 patients

Prohibits prescribing psychologists from prescribing opioids (except for opioid use disorder treatment), antipsychotic medications, or mood stabilizers, and bars them from prescribing to patients under age 25 or over age 65

Requires prescribing psychologists to maintain an ongoing collaborative relationship with a health care practitioner overseeing the patient's general medical care and obtain agreement before issuing new psychotropic prescriptions

Expands the examining board of psychology from nine psychologists and two public members to include one expert on psychiatric prescribing with specialized training in psychotropic medication management

Allows certification by endorsement for psychologists with prescriptive authority from other states or training from the U.S. Department of Defense demonstration project or similar military programs