Minn. Stat. § 62A.095
Subd. 1. Applicability.
Subd. 2. Subrogation clause; limits.
No health plan described in subdivision 1 shall contain a subrogation, reimbursement, or similar clause that provides subrogation, reimbursement, or similar rights to the health carrier issuing the health plan, unless:
Subd. 3. Retroactive amendments regulated.
No addition of, or amendment of, a subrogation, reimbursement, or similar clause in a health plan shall be applied to the disadvantage of a covered person with respect to benefits provided by the health carrier in connection with an injury, illness, condition, or other covered situation that originated prior to the addition of or amendment to the clause.