Unexpected $150 Social Security deposit the day before regular payment - what is this mystery payment?
I'm really confused about something that just happened with my Social Security payments. I received my normal monthly deposit yesterday (on the 23rd) which is my usual payment date. But when I checked my bank account this morning, I noticed there was another smaller deposit from Social Security for $150 that came through on the 22nd (the day before my regular payment). I haven't received any letters from SSA explaining this, and I haven't requested any changes to my benefits. I'm worried this might be some kind of mistake that they'll want back later. Has anyone else experienced getting a random smaller payment right before their regular payment? Should I call them about it or just assume it's some kind of adjustment they owed me?
40 comments


Jenna Sloan
probably a cola adjustment or backpay for something. i got a random $212 last year and found out it was a adjustment for underpayment earlier in the year. just wait a week and check ur myssa account online, it'll probably show up there with an explanation.
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Raul Neal
•Thanks for the suggestion! I'll check my mySSA account. I didn't even think to look there first before posting here. Hopefully it explains it there.
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Christian Burns
There are several potential reasons for this type of unexpected payment: 1. Cost-of-Living Adjustment (COLA) catch-up payment 2. Recalculation of benefits based on updated earnings information 3. Restoration of wrongly withheld benefits 4. Underpayment correction from previous months The SSA typically sends a letter explaining any adjustments, but it often arrives after the payment posts to your account. I'd recommend checking your mySSA account as the previous commenter suggested, but also calling SSA directly if no explanation appears within a week. This is almost certainly legitimate - the SSA computer systems automatically issue these adjustment payments when their calculations determine you're owed money.
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Raul Neal
•Thank you for such a detailed explanation! I feel better knowing there are several legitimate reasons this could happen. I checked my mySSA account but don't see any notices yet. I'll wait for the letter to come in the mail.
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Sasha Reese
i got several small payments like that after my husband passed away. they were different adjustments and back payments related to survivor benefits. took almost 2 months to get all the paperwork explaining everything!!! SSA is VERY slow with the paperwork but pretty quick with sending money lol
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Raul Neal
•Oh wow, that's interesting! I haven't had any life changes that would affect my benefits, but maybe they're adjusting something from the past. And you're right - funny how they're quick with the money but slow with the explanation! 😂
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Muhammad Hobbs
DONT SPEND IT!!! Happened to me last year and it was a MISTAKE and they made me pay it back 3 months later!! Called it an "administrative error" and took it from my regular payment without even asking me first!!! Now I put any extra amounts in a separate account until I know for SURE it's really mine!!
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Raul Neal
•Oh no! That sounds awful. I'll definitely be careful and not spend it until I know for sure what it's for. Thanks for the warning.
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Noland Curtis
This is most likely what's called a "one-time payment" in SSA terminology. It could be for several reasons: - If you recently had a birthday that changed your benefit category - If there was a workers' compensation offset that ended - If there was an earnings record correction - If there was an underpayment from a previous month The $150 amount suggests it's probably a partial month adjustment or a small underpayment correction. You should receive a notice in the mail titled "Notice of Change in Benefits" that will explain exactly what this payment represents. These notices typically arrive 7-10 days after the deposit. If you need immediate clarification, you can call the SSA directly at 1-800-772-1213, but be prepared for very long wait times.
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Diez Ellis
•If you're going to call SSA, I'd recommend using Claimyr (claimyr.com). I was getting frustrated with the constant busy signals and 2+ hour holds when I needed to sort out a similar payment issue. Their service got me through to a real person at SSA in about 15 minutes. They have a video showing how it works: https://youtu.be/Z-BRbJw3puU Saved me so much stress when I was trying to figure out why I got an unexpected adjustment to my retirement benefits.
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Vanessa Figueroa
Did you apply for Medicare recently? Sometimes they do adjustments related to Medicare Part B premium changes. Or did you have any changes in your health insurance situation? I'm just guessing because $150 seems like it might be related to a monthly premium amount.
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Raul Neal
•That's a really good point! I did actually make a change to my Medicare Advantage plan a few months ago. I wonder if this is related to that. I hadn't even considered the Medicare connection.
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Jenna Sloan
whatever u do DONT call and ask about it, if its a mistake they might not notice! free money lol
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Christian Burns
•I have to strongly disagree with this advice. The SSA's computer systems are quite sophisticated at tracking payments. If it was sent in error, they will discover it eventually, and you'll still need to repay it. Better to understand what you're entitled to than face unexpected recovery later.
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Sasha Reese
just wanted to add that my neighbor got a small payment like yours and it turned out to be back pay for the months when they were calculating her benefits after she applied. she applied in november but didn't get approved until february, so they owed her for december and january. did you start getting benefits recently?
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Raul Neal
•No, I've been receiving benefits for about 4 years now. But that's interesting to know - there are so many different reasons these payments can happen! Thanks for sharing that.
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Noland Curtis
Just a follow-up thought - since your regular payment came on the 23rd, which is right on schedule, this likely isn't a payment date adjustment. When SSA changes your payment date (which happens sometimes due to various administrative reasons), they would move your entire payment to a different day, not split it across two days. Are you receiving both Social Security retirement/disability AND SSI benefits? Sometimes people who qualify for both get payments on different days of the month, and occasionally one program might have an adjustment payment.
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Raul Neal
•No, I only receive Social Security retirement benefits, not SSI. That's why this is so puzzling to me. Based on everyone's comments, it sounds like it's most likely some kind of adjustment or correction. I'll wait for the letter and then update everyone here when I find out what it was!
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Vanessa Figueroa
Has anyone here ever noticed that the SSA website sometimes updates with info about these kinds of payments BEFORE you actually get a letter in the mail? I always check there first when anything weird happens with my payments. Sometimes they have an explanation posted in my message center before the letter arrives.
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Muhammad Hobbs
•YES!! The message center sometimes has the info but GOOD LUCK finding it!! That website is IMPOSSIBLE to navigate sometimes!!! I asked my granddaughter to help me find stuff there because I get lost every time!!!
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Omar Farouk
I had something similar happen to me about 6 months ago! Got an unexpected $180 payment and it turned out to be a correction for Medicare Part B premiums. Apparently there was some kind of recalculation that happened after they processed my income information from two years ago, and they had been withholding too much from my monthly payments. The letter explaining it didn't come for almost 3 weeks after the payment, so don't worry if you don't hear anything right away. Like others have said, definitely check your mySSA account first - mine showed up there about a week after the deposit. And I agree with keeping it in a separate account until you know for sure what it's for. Better safe than sorry!
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Zoey Bianchi
•That's really helpful to know about the Medicare Part B premium correction! I didn't realize they could go back and recalculate based on older income information. Three weeks for the letter sounds about right based on what everyone else is saying too. I'm definitely going to keep checking my mySSA account and will put the money aside until I get the official explanation. Thanks for sharing your experience!
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Brooklyn Foley
I work for a benefits advocacy organization and see this fairly regularly. The $150 amount and timing (day before regular payment) suggests this is likely an automated system correction. A few things to consider: 1. Check if you had any earnings reported to SSA in the past few months - even small amounts can trigger benefit recalculations 2. Look for any changes in your tax withholdings or Medicare premiums 3. Sometimes these payments represent corrections going back several months that just got processed The good news is that legitimate adjustment payments like this are usually permanent - meaning if it was an underpayment correction, you won't have to pay it back. However, I'd still recommend the cautious approach others mentioned of not spending it immediately. One tip: when you call SSA (and you probably should), ask specifically for the "payment explanation" and request they mail you a detailed breakdown. This will help you understand exactly what triggered the adjustment.
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Giovanni Marino
•This is incredibly helpful information! Thank you for sharing your professional perspective. I really appreciate the specific advice about asking for a "payment explanation" when I call - I wouldn't have known to ask for that. The timing and amount do seem to fit what you're describing as an automated system correction. I'll definitely follow your suggestion about getting a detailed breakdown mailed to me. It's reassuring to hear from someone who sees this regularly that it's usually a legitimate adjustment. I feel much more confident about how to handle this now!
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Clarissa Flair
Just wanted to add another possibility - if you've been working at all while receiving Social Security (even part-time), they periodically review your earnings and can issue adjustment payments if they determine your benefits should have been higher based on your work history. This happened to my sister when she worked a few months at a retail job - SSA recalculated her benefits months later and sent her a catch-up payment. Also, if you've had any changes to other benefits you receive (like veterans benefits, pensions, etc.), sometimes those can trigger SSA to adjust your payments too. The $150 amount is pretty typical for these kinds of corrections. I'd definitely echo what others said about checking your mySSA account first, but don't be surprised if it takes a while for the explanation to show up there. Their system updates can be pretty slow sometimes.
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Oliver Cheng
•That's a great point about work earnings triggering recalculations! I hadn't considered that angle. I did do some freelance work earlier this year - just a few hundred dollars - but I reported it on my earnings report to SSA. Maybe that's what triggered this adjustment? It would make sense that they'd need time to process that information and recalculate. Thanks for mentioning the veterans benefits and pensions too - it's amazing how many different factors can affect these payments. I'm learning so much from everyone's experiences here!
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Amina Diop
I just wanted to share that I went through something very similar about 8 months ago! I got a random $127 payment that showed up two days before my regular Social Security deposit, and I was totally panicked thinking it was a mistake. Turns out it was a correction related to my Medicare Part B premiums - apparently they had been deducting too much earlier in the year based on an outdated income calculation. The explanation letter took forever to arrive (almost a month!), but when it did, it was very clear about what the adjustment was for. My advice would be to definitely check your mySSA account like others suggested, but also look back at any changes you might have made to Medicare, health insurance, or even small amounts of work income in the past year. Those seem to be the most common triggers for these surprise payments. And yes, definitely keep it separate until you know what it's for - better to be cautious! The waiting is the hardest part, but in my experience these automated payments are usually legitimate corrections in your favor. Good luck figuring it out!
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QuantumQuasar
•Thank you so much for sharing your experience! It's really reassuring to hear from someone who went through almost the exact same thing. A month for the explanation letter seems to be pretty typical based on what everyone is saying here. I'm definitely going to look back at my Medicare and any income changes from this year - that seems to be a common thread in a lot of these stories. The waiting really is the hardest part! I keep checking my bank account and mySSA account hoping for more information. I really appreciate everyone taking the time to share their experiences - it's made me feel so much less anxious about this whole situation.
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Nia Johnson
I just wanted to add my experience for anyone else who might be dealing with this - I received an unexpected $163 payment last month that turned out to be related to a COLA (Cost of Living Adjustment) correction from earlier in the year. Apparently there was some kind of processing delay that affected a small group of recipients, and they were catching up on the difference. What was interesting is that my regular payment amount also increased slightly the following month, so it wasn't just a one-time thing - it was actually correcting my ongoing benefit amount too. The letter I received explained that they had been underpaying me by a small amount for several months. I'd suggest keeping track of whether your regular monthly payment amount changes after this - if it does, that might give you a clue about what type of adjustment this was. And definitely don't panic! In my case, it all worked out and I was actually entitled to the extra money.
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Ella rollingthunder87
•That's really interesting about the COLA correction! I hadn't thought about the possibility that my regular monthly payment might change too. I'll definitely keep an eye on next month's payment to see if there's any difference in the amount. It's encouraging to hear that yours turned out to be money you were actually entitled to - that seems to be the common theme in most of these stories. I'm feeling much more optimistic about this whole situation after reading everyone's experiences. Thanks for the tip about tracking whether my regular payment changes!
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Mila Walker
I'm in a very similar situation! Got an unexpected $138 deposit three days before my regular Social Security payment last month. Like you, I was really worried it was a mistake they'd want back later. After reading all these responses and going through my own experience, I found out mine was related to a Medicare Part D premium adjustment. Apparently my income from two years ago was recalculated and they had been deducting too much for my prescription drug coverage. The explanation letter took about 2.5 weeks to arrive, but it was very detailed about what the adjustment was for. My advice would be to definitely check your mySSA account regularly - mine showed a brief explanation about a week before the letter came. And like others said, keep it in a separate account until you know for sure what it's for. From what I've learned here and from my own experience, these automated adjustment payments are almost always legitimate corrections in your favor. The SSA systems are pretty good at catching underpayments and fixing them. Still nerve-wracking when it happens though!
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Aisha Patel
•This is so helpful to read! Your situation sounds almost identical to mine - similar amount and timing. The Medicare Part D premium adjustment angle is really interesting, and I hadn't even considered that possibility. I'm definitely going to look more closely at all my Medicare-related deductions when I review my account. It's reassuring to know that 2.5 weeks for the letter seems to be pretty standard, and that yours showed up in mySSA about a week before the physical letter. I've been checking my account daily but nothing yet - I'll keep watching for it. Thank you for sharing your experience and for the encouragement that these are usually legitimate! It really helps ease the anxiety while waiting for answers.
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Liam O'Connor
I just wanted to share my own recent experience with this exact same situation! I received an unexpected $142 payment two days before my regular Social Security deposit about 6 weeks ago, and I was absolutely panicking thinking it was a mistake. After calling SSA (took forever to get through!) and eventually receiving the explanation letter, it turned out to be a correction for my Medicare Part B premium. Apparently they had been using outdated income information and deducting too much from my monthly benefits for several months. The adjustment payment was the refund of the overpaid premiums. What really helped me was keeping a detailed record of all my Social Security and Medicare documents from the past year. When I compared them after getting the explanation, I could see exactly where the discrepancy occurred. The letter took about 3 weeks to arrive, but it was very thorough in explaining the calculation. My suggestion would be to gather any Medicare-related paperwork you have from this year while you're waiting for the explanation. That way when the letter comes, you'll be able to cross-reference and understand exactly what happened. And definitely keep that money separate until you know for sure - better safe than sorry! These adjustment payments seem to be much more common than I realized before this happened to me. Hang in there, and please update us when you find out what it was for!
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Michael Green
•Thank you so much for sharing such a detailed account of your experience! This is incredibly helpful and reassuring. The Medicare Part B premium correction seems to be a really common cause of these unexpected payments based on what everyone has shared here. I love your suggestion about gathering Medicare paperwork while waiting for the explanation - that's such a practical tip that I wouldn't have thought of on my own. It's amazing how many people have gone through this same exact situation! When it first happened, I thought I was the only one dealing with this kind of mystery payment, but reading all these experiences has really put my mind at ease. The 3-week timeline for your explanation letter also matches what most others have reported. I'll definitely update everyone here once I get my explanation letter - this thread has been so helpful for understanding what might be happening, and I'd love to contribute back to help future people who find themselves in this same situation. Thank you again for taking the time to share your story and advice!
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Darcy Moore
I experienced something very similar about 4 months ago! I got an unexpected $167 deposit that showed up the day before my regular Social Security payment, and like you, I had no idea what it was for. It turned out to be a correction related to my work earnings from earlier in the year. I had reported some part-time income to SSA, and apparently their system took several months to process it and recalculate my benefits. The $167 was back pay for the months where they should have been paying me a slightly higher amount based on my work history. The explanation letter took about 2.5 weeks to arrive, but when it did, it was very clear about what the adjustment was for. My regular monthly payment also increased by about $12 going forward, so it wasn't just a one-time correction. My advice would be to check your mySSA account regularly (mine showed a brief explanation about 10 days after the deposit), and definitely keep the money in a separate account until you get the official explanation. Also, think back to any income you might have reported to SSA in the past 6-12 months - even small amounts can trigger these recalculations. These automated adjustment payments seem to be really common, and from everything I've read and experienced, they're almost always legitimate corrections in your favor. The waiting for an explanation is definitely stressful though! Please update us when you find out what it was for.
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Lucas Lindsey
•This is really helpful! The work earnings recalculation angle makes a lot of sense, especially with the timing you described. It's interesting that your regular monthly payment increased going forward too - that suggests it was a permanent correction to your benefit amount, not just a one-time catch-up. I'm definitely going to think back through any income I've reported in the past year. Even though I'm mostly retired, I did have a small consulting job a few months ago that I reported to SSA. Maybe that's what triggered this adjustment? The 10-day timeline for mySSA account updates and 2.5 weeks for the letter also matches what most others have experienced. I really appreciate everyone sharing their stories here - it's made this whole situation so much less stressful! I'll definitely keep checking my account and will update everyone once I get my explanation. Thanks for the encouragement that these are usually legitimate!
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Aisha Mahmood
I just wanted to add another possibility that I don't think anyone has mentioned yet - sometimes these adjustment payments can be related to changes in your filing status or family situation that SSA processes with a delay. For example, if you got married, divorced, or had changes in your dependent status earlier this year, SSA might take several months to process those changes and then issue an adjustment payment to correct any underpayment. The same thing can happen if there were changes to a spouse's benefits that affect your own. Also, if you've had any changes to other government benefits you receive (like veterans benefits, railroad retirement, or state disability), sometimes those can trigger SSA to recalculate your Social Security benefits and issue corrections. The $150 amount and timing (day before your regular payment) really does suggest this is an automated system correction rather than an error. I'd recommend calling SSA if you don't see an explanation in your mySSA account within the next week or so, but try to be patient with the phone wait times - they've been really long lately! Keep us posted on what you find out - these threads are so helpful for people going through the same thing.
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CosmicCadet
•That's a really good point about family status changes affecting benefits! I hadn't even considered that angle. While I haven't had any major life changes like marriage or divorce recently, it's interesting to know that even changes to a spouse's benefits or other government benefits can trigger these adjustments. The automated system correction explanation makes the most sense given the timing and amount. I'll definitely be more patient with the wait times when I call - thanks for the heads up about them being extra long lately. This whole thread has been incredibly educational about all the different reasons these payments can happen!
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Caleb Stark
I work in a Social Security field office and see these types of questions frequently. Based on the amount ($150) and timing (day before regular payment), this is almost certainly a legitimate automated adjustment payment. The most common causes I see are: 1. Medicare premium corrections (Parts B, C, or D) 2. COLA catch-up payments for processing delays 3. Work earnings recalculations 4. Income-related monthly adjustment amount (IRMAA) corrections The fact that it posted the day before your regular payment is actually a good sign - error payments typically don't follow this pattern. Our computer systems are designed to issue these adjustments automatically when they detect underpayments. You should receive a "Notice of Change in Benefits" or similar explanation letter within 2-3 weeks. In the meantime, I'd strongly recommend checking your mySSA account message center every few days - explanations often appear there 7-10 days before the physical letter arrives. Don't worry too much about this being an error that you'll need to repay. The vast majority of these automated adjustment payments are legitimate corrections in the beneficiary's favor. Just keep it in a separate account until you get the official explanation to be safe.
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Lucas Kowalski
•This is incredibly reassuring to hear from someone who works directly in a Social Security field office! Thank you so much for taking the time to share your professional perspective. The specific causes you listed really help narrow down what this might be - especially the Medicare premium corrections and IRMAA adjustments, which seem to match what several other people have experienced here. It's also really helpful to know that the timing (day before regular payment) is actually a positive indicator rather than something to worry about. I'll definitely keep checking my mySSA message center every few days as you suggested, and I feel much more confident now that this is likely a legitimate correction rather than an error. Your insight about the automated systems detecting underpayments gives me a lot of peace of mind while I wait for the official explanation. Thank you again for sharing your expertise!
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