Mental health condition refers to a neurologic or psychiatric condition characterized by the existence of a recognizable, clinically-significant disturbance in an individual's cognition, emotional regulation, or behavior that reflects a genetic or acquired dysfunction in the neurobiological, psychosocial, or developmental processes underlying mental functioning. The determination of neurologic and psychiatric conditions shall be based on scientifically-accepted medical nomenclature and best available scientific and medical evidence. (Sec. 4(k), R.A. No. 11036)