Mich. Comp. Laws § 331.533: Confidentiality.

Sec. 3.

The identity of a person whose condition or treatment has been studied under this act is confidential and a review entity shall remove the person's name and address from the record before the review entity releases or publishes a record of its proceedings, or its reports, findings, and conclusions. Except as otherwise provided in section 2, the record of a proceeding and the reports, findings, and conclusions of a review entity and data collected by or for a review entity under this act are confidential, are not public records, and are not discoverable and shall not be used as evidence in a civil action or administrative proceeding.