La. Stat. tit. 37 § 933
Nothing in this Part shall prohibit a registered nurse who is properly licensed and recognized by the board as a nurse practitioner, nurse midwife, or clinical nurse specialist, and who is employed by a municipal, parochial, or state-operated or contracted public health clinic from inserting into the subcutaneous space a medication implant or distributing a therapeutic regime of medication, to be consumed by a patient off premises, to treat sexually transmitted diseases, or to prevent pregnancy, provided such insertion or distribution is performed only under a protocol approved by a physician licensed to practice medicine by the Louisiana State Board of Medical Examiners. The distribution of the medication shall be accomplished under procedures developed by the director of pharmacy of the office of public health and approved by the Louisiana Board of Pharmacy.
La. R.S. § 37:933