Wyo. Stat. Ann. § 33-24-130

Unless otherwise provided by law, the provisions of this act do not apply to administration of drugs and medicines, or to persons engaged in the administration of drugs and medicines. Administration of drugs and medicines, for the purpose of this exclusion, is hereby defined as actual, personal distribution to, or injection in, or application to a particular human being, of substances or material which has already been prepared, selected, measured, packaged, and labeled, or otherwise specifically identified by a person qualified to do so under the terms of this act.