We affirm in part and reverse in part. In BPS Clinical Laboratories v Blue Cross Blue Shield of Michigan, 206 Mich. App. 570; 522 N.W.2d 902 (1994), we considered plaintiffs' claims that defendant wrongfully denied them the opportunity to participate in its new health care program in violation of state law. We held that plaintiffs' claims were preempted by the federal Employee Retirement Income Security Act (ERISA), 29 U.S.C. ยง 1001 et seq.