Minnesota Statutes Insurance (Ch. 59A-79a) § 62K.11. Balance billing prohibited

(a) A network provider is prohibited from billing an enrollee for any amount in excess of the allowable amount the health carrier has contracted for with the provider as total payment for the health care service. A network provider is permitted to bill an enrollee the approved co-payment, deductible, or coinsurance.

(b) A network provider is permitted to bill an enrollee for services not covered by the enrollee's health plan as long as the enrollee agrees in writing in advance before the service is performed to pay for the noncovered service.