; or (B) amounts paid by an eligible patient for active opioids (as defined in section 4192(b) of such Code) are discounted at time of payment or purchase to ensure that such patient does not pay any amount attributable to such fee, with as little burden on the patient as possible. The Secretary shall choose whichever of the options described in subparagraph (A) or (B) is, in the Secretary's determination, most effective and efficient in ensuring eligible patients face no economic burden from such fee. (2) Eligible patient For purposes of this section, the term eligible patient means— (A) a patient for whom any active opioid (as so defined) is prescribed to treat pain relating to cancer or cancer treatment; (B) a patient participating in hospice care