42 CFR § 498.20 - Notice and effect of initial determinations.
(a) Notice of initial determination—(1) General rule. CMS or the OIG, as appropriate, mails notice of an initial determination to the affected party, setting forth the basis or reasons for the determination, the effect of the determination, and the party's right to reconsideration, if applicable, or to a hearing.
(2) Special rules: Independent laboratories and suppliers of portable x-ray services. If CMS determines that an independent laboratory or a supplier of portable x-ray services no longer meets the conditions for coverage of some or all of its services, the notice—
(i) Specifies an effective date of termination of coverage that is at least 15 days after the date of the notice;
(ii) Is also sent to physicians, hospitals, and other parties that might use the services of the laboratory or supplier; and
(iii) In the case of laboratories, specifies the categories of laboratory tests that are no longer covered.
(3) Special rules: Nonparticipating hospitals that elect to claim payment for emergency services. If CMS determines that a nonparticipating hospital no longer qualifies to elect to claim payment for all emergency services furnished in a calendar year, the notice—
(i) States the calendar year to which the determination applies;
(ii) Specifies an effective date that is at least 5 days after the date of the notice; and
(iii) Specifies that the determination applies to services furnished, in the specified calendar year, to patients accepted (as inpatients or outpatients) on or after the effective date of the determination.
(4) Other special rules. Additional rules pertaining, for example, to content and timing of notice, notice to the public and to other entities, and time allowed for submittal of additional information, are set forth elsewhere in this chapter, as follows:
(b) Effect of initial determination. An initial determination is binding unless it is—
(1) Reconsidered in accordance with § 498.24;
(2) Reversed or modified by a hearing decision in accordance with § 498.78; or