(1) Unfairly deny health benefits for medically necessary covered services;
(2) Have differences in benefit levels payable to preferred providers compared to other providers that unfairly deny benefits for covered services;
(3) Have a plan coinsurance percentage applicable to benefit levels for services provided by nonpreferred providers that is less than 60 percent of the benefit levels under the policy for such services; or
(4) Have an adverse effect on the availability or the quality of services.