§ 8401. Definitions. For purposes of this article, the following terms shall have the following meanings:

1. "Board" means the state board for mental health practitioners authorized by section eighty-four hundred six of this article.

2. "Psychotherapy" means the treatment of mental, nervous, emotional, behavioral and addictive disorders, and ailments by the use of both verbal and behavioral methods of intervention in interpersonal relationships with the intent of assisting the persons to modify attitudes, thinking, affect, and behavior which are intellectually, socially and emotionally maladaptive.

3. "Diagnosis" means the process of distinguishing, beyond a general assessment, between similar mental, emotional, behavioral, developmental, and addictive disorders, impairments, and disabilities within a psychosocial framework on the basis of their similar and unique characteristics consistent with accepted classification systems.

4. "Development of assessment-based treatment plans" means the development of an integrated plan of prioritized interventions, that is based on the diagnosis and psychosocial assessment of the client, to address mental, emotional, behavioral, developmental, and addictive disorders, impairments, and disabilities.