Missouri Revised Statutes Title XXIV. Business and Financial Institutions § 376.451. Standards prohibiting discrimination

(1) A health insurance issuer offering group health insurance coverage shall not establish rules for eligibility, including continued eligibility, of any individual to enroll under the terms of the group health plan based on any of the following health status-related factors of the individual or a dependent of the individual:

(2) This subsection does not require a health insurance issuer offering group health insurance coverage to provide particular benefits other than those provided under the terms of the group health insurance coverage, or prevent the issuer from establishing limitations or restrictions on the amount, level, extent, or nature of the benefits or coverage for similarly situated individuals enrolled in the group health insurance coverage;

(3) For purposes of subdivision (1) of this subsection, rules for eligibility to enroll include rules defining any applicable waiting or affiliation period for such enrollment, and rules relating to late and special enrollments.

(1) A health insurance issuer offering health insurance coverage in connection with a group health plan shall not require any individual, as a condition of enrollment or continued enrollment under the plan, to pay a premium or contribution that is greater than the premium or contribution for a similarly situated individual enrolled in the group health plan on the basis of any health status-related factor in relation to the individual or to an individual enrolled under the plan as a dependent of the individual;

(2) Nothing in subdivision (1) of this subsection shall be construed to: