42 C.F.R. § 411.204 Medicare benefits secondary to LGHP benefits.
Title 42 - Public Health
(a) Medicare benefits are secondary to benefits payable by an LGHP for services furnished during any month in which the individual— (1) Is entitled to Medicare Part A benefits under §406.12 of this chapter; (2) Is covered under an LGHP; and (3) Has LGHP coverage by virtue of his or her own or a family member's current employment status. (b) Individuals entitled to Medicare on the basis of disability who are also eligible for, or entitled to, Medicare on the basis of ESRD. If a disabled individual is, or could upon filing an application become, entitled to Medicare on the basis of ESRD, the coordination of benefits rules of subpart F of this part apply.
Title 42: Public Health
PART 411—EXCLUSIONS FROM MEDICARE AND LIMITATIONS ON MEDICARE PAYMENT
Subpart H—Special Rules: Disabled Beneficiaries Who Are Also Covered Under Large Group Health Plans
§ 411.204 Medicare benefits secondary to LGHP benefits.