42 C.F.R. § 408.28
Increased premiums due to the income-related monthly adjustment amount (IRMAA).
Cite as 42 C.F.R. § 408.28 (2026)
Beginning January 1, 2007, Medicare beneficiaries must pay an income-related monthly adjustment amount in addition to the Part B (SMI) standard monthly premium, plus any applicable increase for late enrollment or reenrollment, if the beneficiary's modified adjusted gross income exceeds the threshold amounts specified in 20 CFR 418.1115.
[73 FR 36469, June 27, 2008]
- Cross-references to the CFR
- 20:418.1115.