Last updated 2026-07-10

TL;DR
Workers' compensation and certain other public disability benefits can lower your SSDI check. Social Security reduces your payment so the combined total stays under 80% of your pre-disability average current earnings. This is the workers' compensation offset. VA disability compensation, SSI, FERS disability, and private disability insurance never trigger it.
What is the public disability offset and why does SSA reduce your SSDI?
The public disability offset is a rule that caps your combined disability income. Congress decided in 1965 that a disabled worker shouldn't collect more than 80% of what they earned before the disability. So if your SSDI plus your workers' comp would push you past that line, Social Security trims the SSDI until you're back under it.
The logic was blunt. Stack full SSDI on top of full workers' comp and your monthly total could beat your old paycheck, and legislators worried nobody would want to return to work.
The rule lives in Section 224 of the Social Security Act [1]. SSA reduces your SSDI when the combined monthly income from SSDI plus any applicable public disability benefit tops 80% of your "average current earnings." That earnings figure is the highest of three specific calculations based on your work history.
The offset is not a penalty. It doesn't touch your eligibility for SSDI. It doesn't change your Medicare waiting period. It lowers the check until the other benefit ends, and then SSA restores your full SSDI, though you have to report the change to make that happen.
Which public benefits actually trigger an SSDI offset?
Fewer than people expect. The offset only applies to publicly funded or government-run disability programs, and even some of those get carved out. SSA applies the offset to [2][12]:
- Workers' compensation payments (state and federal programs)
- Black Lung benefits paid by the Department of Labor (not those paid directly by a coal mine operator, which are treated differently)
- State temporary or permanent disability benefits funded wholly or partly by an employer or government
- Federal disability retirement under CSRS (the old Civil Service Retirement System) when the person hasn't reached Social Security full retirement age
That CSRS point catches a lot of federal retirees off guard. Retire early on CSRS disability before your full retirement age and SSA may offset your SSDI.
Programs that do NOT trigger the offset [2][12]:
| Program | Offset triggered? |
|---|---|
| Veterans Affairs (VA) disability compensation | No |
| SSI (Supplemental Security Income) | No |
| Private long-term disability insurance | No |
| State vocational rehabilitation payments | No |
| Needs-based public assistance (Medicaid, SNAP) | No |
| Federal Employees Retirement System (FERS) disability | No |
| Railroad Retirement Board disability annuity | No |
FERS is exempt because those workers pay into Social Security directly and already fall under a different coordination rule. VA disability is excluded by name in the statute, which is why a veteran rated at 100% can often collect full VA compensation and full SSDI with no offset at all [11].
If you're a veteran sorting out how those two programs stack, the piece on 100 disabled veteran benefits walks through the whole picture.
How does SSA calculate the 80% limit and your new SSDI amount?
SSA starts with your "average current earnings" (ACE) and picks the highest result from three methods [1][9]:
1. Your average monthly earnings from the calendar year disability began 2. Your average monthly earnings from your five highest-earning years in a row 3. Your average monthly earnings from the single highest-earning year within the five years before disability
Once SSA has your ACE, the math runs like this:
Step 1: Multiply your ACE by 80%. That's your cap.
Step 2: Add your monthly SSDI benefit (before any offset) to your gross monthly workers' comp payment.
Step 3: If the combined total beats the cap, SSA cuts your SSDI by the overage. Your workers' comp stays untouched. SSDI eats the reduction.
Here's what that looks like in real numbers. Say your ACE is $5,000 a month, so your 80% cap is $4,000. You get $2,200 in SSDI and $2,500 in workers' comp. Combined, that's $4,700, which is $700 over the cap. SSA drops your SSDI from $2,200 to $1,500. Your workers' comp still pays $2,500.
There's one wrinkle. Some states run a "reverse offset" law, where the state workers' comp system does the reducing instead of SSA. Roughly 15 states plus Puerto Rico have approved reverse offset arrangements [4]. In those places your SSDI check arrives whole and the workers' comp agency sends the smaller amount.
You can see how your full SSDI payment gets built in the social security disability benefits pay chart, which breaks down average payments by earnings history.
What counts as "average current earnings" and how do I find mine?
Average current earnings is the monthly earnings figure SSA uses as the base for your 80% cap, and it comes straight from your earnings record, the same one behind your primary insurance amount. You can pull your earnings history by creating a my Social Security account at ssa.gov/myaccount [5].
Your ACE is almost always higher than your SSDI benefit itself, because SSDI replaces only a slice of career earnings, usually somewhere between 35% and 55% of average indexed monthly earnings. That gap is what shields many applicants from a big offset. The 80% cap sits on a fairly high number.
The offset bites hardest when the workers' comp payment is large. That happens in serious injury cases where the weekly comp benefit lands close to the worker's old wage. Construction workers, truck drivers, and other trades with high weekly comp rates take the sharpest cuts.
One thing SSA tracks closely: a workers' comp lump sum. Instead of ignoring it, SSA prorates the lump sum over the period it's meant to cover, using the monthly rate your settlement names or dividing by the weeks the settlement represents [4]. Taking a lump sum to dodge the offset doesn't work when the agreement spells out the equivalent monthly rate.
What happens when your workers' comp or public benefit ends?
The offset stops the month after your other disability benefit ends, and your SSDI jumps back to its full amount. But SSA won't figure this out on its own. You have to report that the other benefit stopped.
The reporting job is yours [6]. SSA's Program Operations Manual System (POMS) covers the offset rules in the DI 52150 series and is clear that failing to report changes can create an overpayment, which means SSA will come asking for money back [4]. Overpayments get ugly fast. By the time SSA catches a mismatch, the bill can run into several thousand dollars.
The safe move is simple. The moment your workers' comp case settles or your state disability benefit ends, call SSA at 1-800-772-1213 and follow up in writing. Keep every settlement document, because SSA will want them to verify the termination date and the lump-sum allocation.
Does a workers' comp settlement affect SSDI differently than ongoing payments?
Yes, and this is where people get burned. Settle your workers' comp claim for a lump sum and SSA won't just glance at the check total. It reads how the settlement agreement spreads that money across time.
SSA's approach: divide the lump sum by the amount you'd have gotten weekly under the state's workers' comp law, then spread the offset across that number of weeks [4]. A $100,000 settlement figured at $500 a week prorates over 200 weeks, roughly 3.8 years. Your SSDI gets reduced across those 200 weeks as if the $500 checks were still arriving, even though the money is long spent.
The wording of the settlement matters enormously. Many workers' comp attorneys write in language stating the payment covers medical expenses, pain and suffering, or other non-wage categories. SSA is supposed to count only the wage-replacement portion toward the offset. Get that language wrong, or leave it out, and you can lose years of full SSDI payments.
This is one of those moments where lining up a workers' comp attorney and someone who understands SSDI offsets before you sign can save real money. If you're early in your claim, apply for social security disability first so you know your SSDI baseline before settlement talks start.
DisabilityFiled's guided intake tool helps you document every benefit source accurately before you file, so SSA gets a clean picture from the start instead of finding mismatches later.
Does the offset apply if your state has a reverse offset law?
In most states, SSA reduces your SSDI while your workers' comp stays put. Reverse offset states flip that. The state workers' comp system trims its own payment and your SSDI arrives at the full amount.
The states with approved reverse offset arrangements include California, Colorado, Florida, Louisiana, Minnesota, Montana, Nevada, New Jersey, New York, North Dakota, Ohio, Oregon, Washington, and Wisconsin, plus Puerto Rico [4]. The roster shifts as states rewrite their workers' comp laws, so confirm current status with your state's workers' comp board.
Why care? The dollar result is often the same either way. What changes is which agency writes the smaller check. In a reverse offset state your SSDI lands in full, which can simplify budgeting and sometimes shapes how attorneys build a settlement.
If you collect benefits in one of these states, check that your SSDI amount matches what SSA says it should be. Since SSA isn't doing the reduction there, there's no SSA adjustment waiting to be undone when your workers' comp ends. The state handles that side.
Can VA disability compensation reduce your SSDI?
No. VA disability compensation does not reduce SSDI, full stop. Congress excluded VA benefits from the offset rule by name [11]. A veteran rated at 100% by the VA can draw full VA compensation and full SSDI at the same time, with neither one cutting the other.
This is one of the most misunderstood corners of disability law. People assume two federal checks must set off some coordination rule, but here they genuinely don't. Section 224 of the Social Security Act carves out veterans' benefits directly.
One narrow point is worth knowing. Veterans' pension, which is needs-based and different from disability compensation, can affect SSI. It still doesn't touch SSDI.
If you're a veteran mapping out the full set of benefits open to you, the disability benefits overview breaks down how the programs stack together.
What about state short-term disability or paid family leave programs?
State short-term disability programs (California, New Jersey, New York, Rhode Island, Hawaii) can trigger the offset when they fit the definition of a "public disability benefit" under Section 224 [1][2]. SSA's test: is the benefit paid under a law or plan based on employment, and does it pay for a physical or mental condition?
California's State Disability Insurance (SDI) is one program SSA has historically treated as subject to offset during any period it overlaps with SSDI. In practice, SSDI carries a five-month waiting period from onset, and most state short-term disability programs cap out at 52 weeks, so the overlap window is often short.
Paid family leave benefits usually escape the offset, since they pay for a family caregiving reason rather than the worker's own disability.
Here's the administrative reality. SSDI approval itself often takes 6 to 24 months from application, so many people have already burned through their state short-term disability by the time the SSDI award letter shows up. No overlap left, no offset to apply.
How does SSA find out about other disability payments you're receiving?
SSA has several ways to catch this. The SSDI application asks you outright whether you receive or expect to receive workers' comp or other public disability payments, and you're required to answer truthfully [6]. SSA also uses a dedicated questionnaire, Form SSA-1709, to collect lump-sum details and the state of payment [7].
Beyond the paperwork, SSA cross-references data with state workers' comp agencies and other government programs. It also runs continuing disability reviews (CDRs), where examiners hunt for unreported income or benefit changes. As Social Security brings all medical disability reviews in-house, the attention on administrative details like offsets is getting more consistent [see the article on social security is bringing all medical disability reviews in-house].
When SSA spots an offset that was never applied, it creates an overpayment. The agency can collect by reducing future SSDI checks, sometimes down to 10% of the benefit until the debt clears [10]. You can request a waiver if the overpayment wasn't your fault and repaying would cause hardship, but the waiver is never automatic.
The practical advice is to report everything upfront. If you're not sure whether a specific benefit triggers the offset, call SSA and ask, then document the call with a follow-up letter confirming what you were told.
When does the offset end and how do you get your full SSDI back?
The offset ends in one of three ways [1]:
- Your workers' comp or other public disability benefit terminates
- Your workers' comp lump-sum proration period runs out
- You reach full retirement age (SSA converts your SSDI to a retirement benefit and Section 224 no longer applies)
Getting your full payment restored takes a notification from you. Call 1-800-772-1213 and report the end of the other benefit. Bring documentation: a final payment notice, a settlement agreement, or a letter from the payer showing the termination date. SSA recalculates your benefit from the month the public benefit ended.
For ongoing payment tracking, the social security disability benefits payment schedule shows when SSA sends checks, which matters if you're expecting a retroactive correction in a specific month.
SSA should restore your benefit within one or two payment cycles once the change is processed. If it drags longer, follow up in writing and ask for a written confirmation of the new benefit amount.
How does the offset affect my overall SSDI filing strategy?
If you already collect workers' comp or another public disability payment and you're about to file for SSDI, run the offset math before you file, not after the award letter lands.
Knowing your likely ACE and 80% of it gives you a real picture of what your SSDI check will be during the offset period. It also tells you whether a workers' comp lump-sum settlement, structured a certain way, would stretch the offset period longer than it needs to.
Timing matters if you're in workers' comp negotiations. SSDI carries that five-month waiting period, and the agency usually takes many months to decide a claim. Sometimes the workers' comp settles before SSDI is ever awarded, which wipes out the offset before it starts.
DisabilityFiled's guided intake walks you through documenting every current and expected income source in one place, so you can see the offset math clearly before SSA does it for you.
For the bigger picture on how SSDI payments get built before any offset, the social security disability overview is a solid start. And if you want to pin down your specific monthly amount, the social security disability benefits pay chart gives payment ranges by earnings history.
Frequently asked questions
Can workers' comp and SSDI both be paid at the same time?
Yes. You can receive both at once. SSA reduces your SSDI if the combined total tops 80% of your average current earnings, but both programs pay you concurrently. The workers' comp payment stays the same; SSDI absorbs the reduction. Once workers' comp ends, your SSDI returns to its full amount.
Does VA disability compensation reduce SSDI?
No. Veterans' disability compensation is excluded from the offset rule by name under Section 224 of the Social Security Act. A veteran can collect full VA compensation and full SSDI with no reduction to either, whether the VA rating is 10% or 100%. Veterans' pension (a needs-based program) is different and may affect SSI, but not SSDI.
What is the 80% rule for SSDI and workers' comp?
SSA caps the combined monthly total of SSDI plus workers' comp (or another qualifying public disability benefit) at 80% of your average current earnings before disability. If the combined total tops that cap, SSA cuts your SSDI by the excess. Your workers' comp payment is not reduced, unless you live in a reverse offset state.
How does a workers' comp lump-sum settlement affect SSDI payments?
SSA prorates the lump sum over the period it represents, using the weekly compensation rate to calculate how many weeks the settlement covers. Your SSDI is reduced across that entire proration period as if you were still getting weekly checks. The language in your settlement about what the payment covers (wages versus medical) can change how SSA runs this.
Which states have reverse offset laws that protect my SSDI amount?
As of SSA's current guidance, about 15 states plus Puerto Rico have approved reverse offset arrangements, including California, Florida, New York, Ohio, Washington, and Wisconsin, among others. In these states the workers' comp agency reduces its payment rather than SSA reducing your SSDI. The net dollar result is often similar, but your SSDI check arrives in full.
Does state short-term disability pay affect SSDI?
It can. State-run short-term disability programs based on employment can trigger the offset when they overlap with SSDI. In practice, because SSDI has a five-month waiting period and approval often takes many more months, most state short-term disability benefits (which typically run up to 52 weeks) have already ended before SSDI is paid, so there's often no real overlap.
Do I have to report workers' comp payments to Social Security?
Yes. The SSDI application asks outright whether you receive workers' comp or other public disability payments, and you're legally required to report them. SSA cross-references with state agencies and catches undisclosed payments during continuing disability reviews. Failing to report creates an overpayment, which SSA collects by reducing future checks, sometimes down to 10% of the benefit.
What is "average current earnings" and how does SSA calculate it?
Average current earnings (ACE) is the monthly earnings figure SSA uses as the base for the 80% cap. SSA picks the highest of three calculations: average monthly earnings from the year disability began, from your five best consecutive earning years, or from the single highest year in the five years before disability. You can review your earnings record at ssa.gov/myaccount.
When does the SSDI offset stop?
The offset ends when the offsetting public benefit terminates, when any lump-sum proration period runs out, or when you reach full retirement age (at which point SSDI converts to a retirement benefit and Section 224 no longer applies). You need to notify SSA when the other benefit ends to trigger the restoration of your full SSDI amount.
Does private long-term disability insurance reduce SSDI?
No. Private long-term disability (LTD) insurance does not trigger the SSDI offset. Only publicly funded or government-run disability programs count. That said, your private LTD policy almost certainly has its own offset clause letting the insurer reduce your LTD payment by the SSDI you receive. That offset runs the other direction.
Can I get an overpayment waiver if SSA says I owe money due to the offset?
Yes, you can apply for a waiver using Form SSA-632. SSA will waive repayment if it wasn't your fault and repaying would cause financial hardship. The waiver isn't automatic and requires you to document your income and expenses. Submit the request within 30 days of the overpayment notice to pause collection while SSA reviews it.
Does the SSDI offset affect my Medicare eligibility or waiting period?
No. The offset only reduces your monthly cash payment. It has no effect on your Medicare eligibility. The 24-month Medicare waiting period, counted from your first month of SSDI entitlement, runs on its normal schedule whether or not your SSDI check is reduced by an offset during that time.
What is a reverse offset state for SSDI and workers' comp?
A reverse offset state is one where the state workers' comp system, not SSA, applies the coordination reduction. Your SSDI check comes in full; the workers' comp agency sends a reduced amount. About 15 states plus Puerto Rico have these arrangements. The combined total you receive is governed by the same 80% cap either way.
Does Black Lung benefit income reduce SSDI?
It depends on the payer. Black Lung benefits paid through the Department of Labor's federally funded program are subject to the SSDI offset under Section 224. Benefits paid directly by a responsible coal mine operator are treated differently and may not trigger the same offset. SSA evaluates the specific payment source when deciding whether to reduce SSDI.
Sources
- Social Security Administration, Section 224 of the Social Security Act (Workers' Compensation Offset): SSDI is reduced when combined SSDI plus public disability benefits exceed 80% of average current earnings; the offset ends at full retirement age
- Social Security Administration, How Workers' Compensation and Other Disability Payments May Affect Your Benefits (Publication No. 05-10018): Lists which public disability benefits trigger the offset and which are exempt
- SSA POMS DI 52150.090, Lump Sum Workers' Compensation and Proration Rules: Lump-sum workers' comp settlements are prorated over the equivalent weekly period; reverse offset states listed; about 15 states and Puerto Rico have approved reverse offset arrangements
- Social Security Administration, my Social Security Account: Workers can view their earnings record online to determine average current earnings used in the offset calculation
- Social Security Administration, Disability Benefits (Publication No. 05-10029): SSDI applicants are required to report workers' comp and other public disability income; overpayment results from failure to report
- Social Security Administration, Workers' Compensation/Public Disability Benefits Questionnaire (SSA-1709): SSA collects detailed information about workers' comp payments including lump-sum details and state of payment
- SSA POMS DI 52150.001, Workers' Compensation Offset Computation: Average current earnings calculated as highest of three methods; offset computed by comparing combined benefits to 80% of ACE; SSDI absorbs the reduction
- Social Security Administration, Overpayments (Publication No. 05-10098): SSA can recover overpayments by reducing future SSDI checks; waiver is available via Form SSA-632 if fault and hardship conditions are met
- U.S. Department of Veterans Affairs, Veterans Disability Compensation: VA disability compensation is a separate program from SSDI and is not reduced by SSDI receipt, nor does it reduce SSDI
- Social Security Administration, How Workers' Compensation and Other Disability Payments May Affect Your Benefits (Publication No. 05-10018): SSA publication confirming which public benefits trigger the offset and explaining how the 80% cap is applied to SSDI payments