; and (II) any other documentation determined appropriate by the Secretary. (ii) (I) The Secretary shall respond to a prior authorization request within 7 business days of receiving the request. (II) If the Secretary does not make a prior authorization determination within 7 business days of the date of the Secretary's receipt of medical documentation needed to make such determination, subparagraph (A)(ii) shall not apply. (iii) In making the determination under subparagraph (A) with respect to a service and individual, the Secretary shall evaluate the medical necessity of the service by determining— (I) whether the individual is unable to get up from bed without assistance, unable to ambulate, and unable to sit in a chair or wheelchair; (II) whether the individual has a medical condition that, regardless of bed confinement, is such that transport by ambulance is medically necessary