409.13—Drugs and biologicals.
(a)
Except as specified in paragraph (b) of this section, Medicare pays for drugs and biologicals as inpatient hospital or inpatient CAH services only if—
(2)
They are ordinarily furnished by the hospital or CAH for the care and treatment of inpatients; and
(b) Exception.
Medicare pays for a limited supply of drugs for use outside the hospital or CAH if it is medically necessary to facilitate the beneficiary's departure from the hospital and required until he or she can obtain a continuing supply.
[48 FR 12541, Mar. 25, 1983, as amended at 58 FR 30666, May 26, 1993]