Service Tree

The Service Tree lists all services in "branched" groups, starting with the very general and moving to the very specific. Click on the name of any group name to see the sub-groups available within it. Click on a service code to see its details and the providers who offer that service.

Co-Occurring Disorders

Taxonomy Code: YF-5000.1515

A condition, previously referred to in the U.S. as "dual diagnosis", in which individuals have both a diagnosed mental illness and a substance use disorder involving either drugs or alcohol. Any combination of mental health and substance use disorders qualifies for this diagnosis, e.g., an alcohol use disorder and depression, post-traumatic stress disorder and a heroin use disorder, prescription drug dependence and anxiety. For purposes of treatment, it is recommended that clients receive intensive medical and therapeutic intervention and care for both disorders at the same time, allowing them to manage the symptoms caused by the mental health disorder without resorting to drugs and/or alcohol and worsening their mental health symptoms, or allowing an untreated mental health order to increase the urge to drink or get high.

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