Minnesota Statutes Health (Ch. 144-159) § 153.18. Exemptions

(1) a person who is a commissioned medical officer of, a member of, or employed by, the armed forces of the United States, the United States Public Health Service, the Veterans Administration, any federal institution or any federal agency while engaged in the performance of official duties within this state, if the person is licensed elsewhere;

(2) a person licensed by a health-related licensing board, as defined insection 214.01, subdivision 2, or registered by the commissioner of health undersection 214.13, if the person's professional activities are confined within the scope of the license;

(3) a Christian Scientist or other person who endeavors to prevent or cure disease or suffering exclusively by mental or spiritual means or by prayer.