Mont. Code Ann. § 50-16-204

A utilization review, peer review, medical ethics review, quality assurance, or quality improvement committee of a health care facility may use or publish health care information only for the purpose of evaluating matters of medical care, therapy, and treatment for research and statistical purposes. Neither a committee nor the members, agents, or employees of a committee shall disclose the name or identity of any patient whose records have been studied in any report or publication of findings and conclusions of a committee, but a committee and its members, agents, or employees shall protect the identity of any patient whose condition or treatment has been studied and may not disclose or reveal the name of any health care facility patient.