C.R.S. § 12-245-210

(1) Nothing in this article 245 permits psychologists, social workers, marriage and family therapists, licensed professional counselors, unlicensed psychotherapists, and addiction counselors licensed, certified, or registered under this article 245 to administer or prescribe drugs or in any manner engage in the practice of medicine as defined by the laws of this state. (2) Notwithstanding subsection (1) of this section, a psychologist, social worker, marriage and family therapist, licensed professional counselor, unlicensed psychotherapist, or addiction counselor licensed, registered, or certified under this article 245 may possess, furnish, or administer an opiate antagonist in accordance with section 12-30-110 .