Conn. Gen. Stat. § 38a-473: Medicare supplement expense factors. Age, gender, previous claim or medical history rating prohibited.

(a) No insurance company, fraternal benefit society, hospital service corporation, medical service corporation, health care center or other entity that delivers or issues for delivery Medicare supplement insurance policies or certificates, written, delivered, continued or renewed in this state during the previous calendar year shall incorporate in its rates for Medicare supplement insurance calculated in accordance with sections 38a-495, 38a-495a and 38a-522, and any regulations adopted pursuant to said sections, factors for expenses that exceed one hundred fifty per cent of the average expense ratio for the entire written premium for all lines of health insurance of such company, society, corporation, center or other entity for the previous calendar year.

(b) No insurance company, fraternal benefit society, hospital service corporation, medical service corporation, health care center or other entity that delivers or issues for delivery in this state any Medicare supplement policies or certificates shall incorporate in its rates or determinations to grant coverage for Medicare supplement insurance policies or certificates any factors or values based on the age, gender, previous claims history or the medical condition of any person covered by such policy or certificate.