Nothing in this section shall be construed to prevent a group health plan or a health insurance issuer offering group health insurance coverage from negotiating the level and type of reimbursement with a provider for care provided in accordance with this section.
Nothing in this section shall be construed to preempt any State law in effect on October 21, 1998, with respect to health insurance coverage that requires coverage of at least the coverage of reconstructive breast surgery otherwise required under this section.
Nothing in this section shall be construed to affect or modify the provisions of section 1144 of this title with respect to group health plans.