that has implemented a quantifiable network adequacy metric that the Secretary determines is an acceptable metric commonly used in the health insurance industry to measure network adequacy, such qualified health plan may satisfy the requirement under subparagraph (A) by meeting the network adequacy standards of such State based on such metric. (ii) Review A State with an acceptable metric described in clause (i) may review the network adequacy of qualified health plans offered in such State in a process established by the State. (8) Coverage of out-of-network essential health benefits (A) In general A qualified health plan shall provide, to an individual enrolled in such plan, coverage of any service provided by an out-of-network provider if— (i) coverage of such service would otherwise be provided by the plan if the service was provided by an in-network provider