C.R.S. § 12-280-502

(1) A pharmacy used by a nursing care facility or a long-term acute care hospital licensed under part 1 of article 3 of title 25 may make a therapeutic interchange or a therapeutically equivalent selection for a patient if, during the patient’s stay at the facility, the selection has been approved for the patient: (a) In accordance with written guidelines and procedures for making therapeutic interchange or therapeutically equivalent selections, as maintained in a current and readily available manner at the dispensing prescription drug outlet and as developed by a quality assessment and assurance committee that includes a pharmacist licensed under this article 280 and is formed by the facility in accordance with 42 CFR 483.75; and (b) By one of the following health-care providers: (I) A physician licensed under article 240 of this title 12; (II) A physician assistant licensed under section 12-240-113 ; or (III) An advanced practice registered nurse prescriber licensed as a professional nurse under section 12-255-110 , registered as an advanced practice registered nurse under section 12-255-111 , and authorized to prescribe controlled substances or prescription drugs pursuant to section 12-255-112 . (2) The board may adopt rules as necessary to implement this part 5.