(1) Any health care service plan issued, amended, or renewed after July 24, 1983, shall provide coverage for reconstructive breast surgery resulting from a mastectomy which resulted from disease, illness, or injury.
(2) Any health care service plan issued, amended, or renewed after January 1, 1986, shall provide coverage for all stages of one reconstructive breast reduction on the nondiseased breast to make it equal in size with the diseased breast after definitive reconstructive surgery on the diseased breast has been performed.