Oregon Revised Statutes Insurance § 743A.110

(1) As used in this section, “mastectomy” means the surgical removal of all or part of a breast or a breast tumor suspected to be malignant.

(2) All insurers offering a health benefit plan as defined in ORS 743B.005 shall provide payment, coverage or reimbursement for mastectomy and for the following services related to a mastectomy as determined by the attending physician and enrollee to be part of the enrollee's course or plan of treatment:

(3) An insurer providing coverage under subsection (2) of this section shall provide written notice describing the coverage to the enrollee at the time of enrollment in the health benefit plan and annually thereafter.

(4) A health benefit plan must provide a single determination of prior authorization for all services related to a mastectomy covered under subsection (2) of this section that are part of the enrollee's course or plan of treatment.

(5) When an enrollee requests an external review of an adverse benefit determination as defined in ORS 743B.001 by the insurer regarding services described in subsection (2) of this section, the insurer or the Director of the Department of Consumer and Business Services must expedite the enrollee’s case pursuant to ORS 743B.252 (5).

(6) The coverage required under subsection (2) of this section is subject to the same terms and conditions in the plan that apply to other benefits under the plan.

(7) This section is exempt from ORS 743A.001.