§412.405. Preadmission services as inpatient operating costs under the inpatient psychiatric facility prospective payment system. — Inbound Citations

(b) If a Medicare Part A claim for inpatient hospital services is denied because the inpatient admission was not reasonable and necessary, or if a hospital determines under § 482.30(d) of this chapter or § 485.641 of this chapter after a beneficiary is discharged that the beneficiary's inpatient admission was not reasonable and necessary, the hospital may be paid for hospital outpatient services described in § 412.2(c)(5), § 412.405, § 412.540, or § 412.604(f) of this chapter or § 413.40(c)(2) of this chapter that are furnished to the beneficiary prior to the point of inpatient admission (that is, the inpatient admission order).