Iowa Code § 514J.113

An independent review organization, a clinical reviewer working on behalf of an independent review organization, or an employee, agent, or contractor of an independent review organization shall not be liable in damages to any person for any opinions rendered or acts or omissions performed within the scope of the duties of the organization, the clinical reviewer, or an employee, agent, or contractor of the organization under this chapter during, or upon completion of, an external review conducted pursuant to this chapter, unless the opinion was rendered or the act or omission was performed in bad faith or involved gross negligence.