The IRMAA Income Trap Quiz: What Really Counts?
From municipal bonds to Roth conversions — take our quiz to find out if you know which income streams push you into higher Medicare brackets.
For many retirees, the realization that "tax-free" doesn't always mean "cost-free" comes as a shock when their Medicare premiums arrive. The Income-Related Monthly Adjustment Amount (IRMAA) is a surcharge that can significantly increase your health care costs based on how you manage your wealth.
Because Medicare uses a specific calculation — Modified Adjusted Gross Income (MAGI) — certain common financial moves, like selling a home or collecting municipal bond interest, can unexpectedly push you into a higher bracket. This 10-question quiz is designed to help you navigate these nuances, ensuring your legacy and lifestyle aren't sidelined by avoidable surcharges.
And don't worry if you miss an answer; you can use the links below the quiz to brush up on the IRMAA rules.
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More from the Kip
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- Medicare Premiums 2026: IRMAA Brackets and Surcharges for Parts B and D
- 9 Things You Must Know About Medicare's Income-Related Monthly Adjustment Amount (IRMAA) Surcharges
- How to Appeal the IRMAA for Medicare Parts B and D
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Donna joined Kiplinger as a personal finance writer in 2023. She spent more than a decade as the contributing editor of J.K.Lasser's Your Income Tax Guide and edited state specific legal treatises at ALM Media. She has shared her expertise as a guest on Bloomberg, CNN, Fox, NPR, CNBC and many other media outlets around the nation. She is a graduate of Brooklyn Law School and the University at Buffalo.