Section 632.748 - Prohibiting discrimination(1)(a) Subject to subs. (3) and (4), an insurer may not establish rules for the eligibility of any individual to enroll, or for the continued eligibility of any individual to remain enrolled, under a group health benefit plan based on any of the following factors with respect to the individual or a dependent of the individual: 2. Medical condition, including both physical and mental illnesses.4. Receipt of health care.7. Evidence of insurability, including conditions arising out of acts of domestic violence.(b) For purposes of par. (a), rules for eligibility to enroll under a group health benefit plan include rules defining any applicable waiting periods for enrollment.(2) An insurer offering a group health benefit plan may not require any individual, as a condition of enrollment or continued enrollment under the plan, to pay, on the basis of any health status-related factor with respect to the individual or a dependent of the individual, a premium or contribution that is greater than the premium or contribution for a similarly situated individual enrolled under the plan.(3) To the extent consistent with s. 632.746, sub. (1) shall not be construed to do any of the following: (a) Require a group health benefit plan to provide particular benefits other than those provided under the terms of the plan.(b) Prevent a group health benefit plan from establishing limitations or restrictions on the amount, level, extent or nature of benefits or coverage for similarly situated individuals enrolled under the plan.(4) Nothing in sub. (1) shall be construed to do any of the following: (a) Restrict the amount that an insurer may charge an employer for coverage under a group health benefit plan.(b) Prevent an insurer offering a group health benefit plan from establishing premium discounts or rebates, or from modifying otherwise applicable copayments or deductibles, in return for adherence to programs of health promotion and disease prevention.(c) Provide an exception from, or limit, the rate regulation under s. 635.05.