; and (ii) those hospital outpatient diagnostic services (described in section 1861(s)(2)(C)) that require direct supervision under the fee schedule established under section 1848. (B) Requirements Subparagraph (A) shall apply insofar as the non-physician practitioner involved meets the following requirements: (i) Scope of practice The non-physician practitioner is acting within the scope of practice under State law applicable to the practitioner. (ii) Additional requirements The non-physician practitioner meets such requirements as the Secretary may specify. (5) Definitions In this subsection: (A) Therapeutic hospital outpatient services The term therapeutic hospital outpatient services means hospital services described in section 1861(s)(2)(B) furnished by a hospital or critical access hospital and includes— (i) cardiac rehabilitation services and intensive cardiac rehabilitation services (as defined in paragraphs (1) and (4), respectively, of section 1861(eee))