Iowa Code § 154B.5: Scope of chapter.

Nothing in this chapter shall be construed to prevent qualified members of other professional groups such as physicians, osteopathic physicians, optometrists, chiropractors, members of the clergy, authorized Christian Science practitioners, attorneys at law, social workers, or guidance counselors from performing functions of a psychological nature consistent with the accepted standards of their respective professions, if they do not use any title or description stating or implying that they are psychologists or are certified to practice psychology.