Mich. Comp. Laws § 339.1857

Sec. 1857. A licensee or registrant shall not contract to provide services under this article unless the contract is with any of the following entities: (a) A health facility. (b) A county medical examiner. (c) A funeral establishment. (d) A medical school. (e) An organ procurement organization. (f) An institution of higher education that accepts whole human body donations for the purpose of research and education.