This subpart implements sections 1860D-13(a)(7) and 1860D-13(c)(4) of the Social Security Act (the Act), as added by section 3308 of the Affordable Care Act (Pub. L. 111-148).
Section 3308(a) establishes an income-related monthly adjustment to Medicare prescription drug coverage premiums. Persons enrolled in Medicare prescription drug plans, Medicare Advantage plans with prescription drug coverage, Programs of All-Inclusive Care for the Elderly plans, and cost plans offering prescription drug coverage who have modified adjusted gross income over a threshold amount established in the statute will pay an income-related monthly adjustment amount in addition to their Medicare prescription drug coverage plan's monthly premium and any applicable premium increases as described in
42 CFR 423.286. The regulations in this subpart explain how we determine whether you are required to pay an income-related monthly adjustment amount, and if you are, the amount of your adjustment. We have divided the rules into the following groups of sections: