Code of Federal Regulations Title 5. Administrative Personnel § 5.890.903 Covered services

(1) Covered under both Medicare part A and the retired enrolled individual's FEHB plan;  and

(2) Supplied to a retired enrolled individual who does not have Medicare part A;  and

(3) Provided by hospital providers who have in force participation agreements with the Secretary of Health and Human Services (HHS) consistent with sections 1814(a) and 1866 of the Social Security Act, and receive Medicare part A payments in accordance with the diagnosis related group (DRG) based prospective payment system (PPS).

(1) Covered under both Medicare part B and the retired enrolled individual's FEHB plan;  and

(2) Supplied to a retired enrolled individual who does not have Medicare part B.