If a major life event lowered your income, you can ask Social Security to base your IRMAA on newer figures instead of your two-year-old tax return. Only eight specific events qualify, and you request the change with Form SSA-44.
IRMAA is the surcharge added to your Medicare Part B and Part D premiums when your income is above a threshold. Social Security sets it from your tax return two years back, so a recent drop in income is not reflected yet. The fix is an appeal, but only if your situation matches one of eight life-changing events. Here is each one, with the kind of proof you will usually need.
You got married, which changes how Social Security counts your household income. Proof is your marriage certificate.
Your marriage legally ended, lowering the income tied to your record. Proof is your divorce decree or annulment papers.
Your spouse passed away and your income is now lower. Proof is the death certificate.
You retired or stopped working, so your earned income dropped. This is the most common reason people file. Proof is a letter from your employer or a signed statement.
You cut your hours or moved to part-time, lowering your pay. Proof is a pay stub or a statement from your employer showing the change.
Property that earned you income was lost to a disaster or similar event, not a normal sale. Proof is an insurance or disaster claim.
A pension you counted on stopped or was cut. Proof is a letter from the pension plan showing the change.
You received a settlement from a former employer's closure or bankruptcy. Proof is a letter from the employer or the court documents.
If your situation is on this list, you have a clear path to lower your premium. Walk through the full process in the step-by-step appeal guide.
The events are different, but they all work the same way. Each one has to have actually reduced your income. Getting married or divorced changes the income tied to your record. Losing a spouse, retiring, or cutting your hours removes earnings you used to have. Losing property, a pension, or settling with a closed employer takes away money you were counting on. Social Security is not asking whether something stressful happened. It is asking whether your income went down because of it.
That is why the form is about numbers, not just the event. On Form SSA-44 you tell Social Security the event, the date it happened, and your new, lower estimate of your modified adjusted gross income (MAGI) for the year the event affects. They use that estimate in place of the old tax return. If your new figure falls under a threshold, your surcharge is reduced or removed. To understand the income number you are estimating, see what counts as MAGI.
Filing is straightforward once you have your proof together. You complete Form SSA-44, attach a document that shows the event happened, add a document that shows your lower income, and write in your estimated income for the affected year. Then you submit it to Social Security, by mail or in person at your local office.
Take your time with the income estimate, since that is the figure that decides your bracket. Keep your original documents and send copies. For the full walk-through, including exactly what to gather and where to send it, read the step-by-step appeal guide. The official form is published by Social Security, so always download the current version from SSA.gov.
It helps to know what Social Security will turn down, so you do not file for something that cannot win. A drop in your investment income does not count. A one-time capital gain rolling off your record, so that this year looks lower than two years ago, is not a life-changing event either. And simply disagreeing with the bracket you landed in is not grounds for this appeal.
The reason is that Form SSA-44 is built around the eight events above. If none of them fits, the form is not the right tool. If you believe Social Security used the wrong tax data, that is a different request: you can ask for a formal reconsideration instead. When in doubt, start from the eight events and the appeal guide, then go back to the calculator to see where your new estimate would land.
Source: Social Security Form SSA-44 and publication 05-10536. Confirm details at SSA.gov. Informational only, not financial advice. Last verified June 2026.