; and (bb) account for differences in the needs of children and adults. (II) Medicare Advantage organizations The network adequacy standard established under subclause (I) shall, at a minimum, be equivalent to the requirements for access to services applicable to Medicare Advantage organizations offering Medicare Advantage plans under part C of title XVIII of the Social Security Act. (ii) Justification A qualified health plan that fails to meet the standard established under clause (i) may satisfy the requirement under subparagraph (A) by providing the Secretary with a reasonable justification for the variance from such standard, based on factors such as the availability of providers and variables reflected in local patterns of health care. (iii) Review The Secretary shall establish a process for reviewing the network adequacy of qualified health plans, except for those plans reviewed by the State in accordance with subparagraph (C)(ii). (C) State standard (i) In general In the case of a qualified health plan offered in a State 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, to be certified under this subsection, 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, to be certified under this subsection, provide to individuals 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