construed to affect the authority of the Secretary to use claims data to establish new or modify existing ambulatory payment classification groups, diagnosis-related groups, level II HCPCS codes or such other groups or codes as the Secretary may establish under the annual rulemaking authority under the provisions referred to in subparagraph (A). (D) Clinical diagnostic laboratory tests An additional payment or payment adjustment under subparagraph (A) for a breakthrough device under the applicable payment system established in section 1834A may be in the form of an increase to the amount determined for the breakthrough device using cross-walking under section 1834A(c)(1)(A), an extension of the initial period of payment applicable to advance diagnostic laboratory tests under section 1834A(d)(1)(A), and in such other form or manner as the Secretary determines reflects the costs for such breakthrough device under the relevant provisions of section 1834A. (4) Payment for breakthrough devices after the transitional coverage period Payment for a breakthrough device that is furnished after the conclusion of the transitional coverage period under subsection (b)(1) for such device shall be made pursuant to the applicable payment system involved, taking into account the additional evidence and data collected under subsection (b)(2). (e) Special rules for certain breakthrough devices (1) Coverage of specified breakthrough devices (A) In general Subject to the succeeding provisions of this subsection and notwithstanding any other provision of law, the Secretary shall provide for coverage and payment pursuant to this section of a specified breakthrough device (as defined in subparagraph (B)). (B) Specified breakthrough device defined In this section, the term specified breakthrough device means a breakthrough device with respect to which no Medicare benefit category exists. (2) Period of transitional coverage (A) In general Subject to subparagraph (C), the provisions of subsection (b)(1) (relating to the transitional