Long-term disability insurance cannot garnish your Social Security Disability Insurance (SSDI) payments directly, but the two programs interact in ways that reduce what you receive

Long-term disability (LTD) is insurance you typically carry through an employer. SSDI is a federal program. They operate under different rules, and LTD cannot take money from your SSDI check the way a creditor might garnish wages. However, federal law requires that when you receive both LTD and SSDI, your total monthly income from both sources is capped. If your combined payments exceed that cap, your SSDI payment shrinks — a process called offset.

The offset exists because SSDI is designed to replace a portion of lost wages, not to stack on top of other disability income. If you were receiving both full LTD and full SSDI without any reduction, you would be earning more than you did before you became disabled. The law prevents that outcome by reducing one payment when the other is large enough.

Key Takeaways

  • Long-term disability cannot directly garnish SSDI, but federal offset rules reduce your SSDI payment if your LTD and SSDI combined exceed a monthly cap.
  • The offset applies only to your own SSDI benefit — it does not affect payments to your spouse or children on your record.
  • You must report LTD income to Social Security within 10 days of receiving your first payment, or you may face overpayment recovery later.
  • Some LTD policies are designed to account for SSDI offset, while others are not, so the reduction you see depends on how your employer's plan was structured.
  • If you disagree with how Social Security calculated the offset, you can request a recalculation or appeal the decision.

How the offset works when you have both LTD and SSDI

The offset rule is tied to something called your Primary Insurance Amount (PIA). Your PIA is the monthly SSDI benefit you would receive at full rate if you had no other income. Social Security calculates it based on your earnings history.

When you also receive LTD, Social Security adds your LTD payment to your PIA. If that total exceeds what you would have earned in the month before you became disabled, Social Security reduces your SSDI check by the amount of the overage. The reduction comes out of your SSDI payment, not your LTD payment.

Example: Your PIA is $1,500 per month. Your LTD payment is $2,000 per month. Your pre-disability earnings were $3,000 per month. Social Security adds $1,500 + $2,000 = $3,500. That exceeds your $3,000 pre-disability earnings by $500. Your SSDI payment is reduced by $500, so you receive $1,000 in SSDI and $2,000 in LTD, for a total of $3,000 — equal to what you earned before.

What you must report to Social Security

You are required to tell Social Security about your LTD income within 10 days of receiving your first payment. You can report it by phone, mail, or through your online Social Security account. The report should include the amount of your monthly LTD payment and the date you began receiving it.

If you do not report LTD income and Social Security later discovers it, you will be considered overpaid. Social Security will ask you to return the excess SSDI payments you received while they were unaware of the LTD. This can result in a debt of several thousand dollars, depending on how long the unreported income continued.

Some people delay reporting because they fear losing SSDI entirely. That is not how offset works. You will continue to receive SSDI; the payment will straightforward be reduced to account for the LTD. Reporting promptly prevents a larger problem later.

The difference between offset-aware and offset-unaware LTD plans

Some employers design their LTD plans with SSDI offset in mind. These plans are structured so that your LTD payment automatically reduces if you receive SSDI, keeping your total income stable. Other LTD plans make no adjustment for SSDI and pay the full benefit regardless of what you receive from Social Security.

If your LTD plan is offset-aware, your employer or the insurance company managing the plan will coordinate with Social Security to learn your SSDI amount. They will then reduce your LTD check accordingly. You receive the same total income, but the split between LTD and SSDI changes.

If your LTD plan is not offset-aware, you receive the full LTD amount, and Social Security reduces your SSDI to keep the total from exceeding your pre-disability earnings. In this case, you may see a larger LTD payment and a smaller SSDI payment than you would under an offset-aware plan.

Check your LTD plan documents or contact your employer's benefits department to learn whether your plan accounts for SSDI offset. The plan summary should state whether it is "SSDI offset-aware" or "non-offset" or use similar language.

How offset affects family members on your record

The offset applies only to your own SSDI benefit. If your spouse or children receive benefits based on your earnings record, their payments are not reduced because you have LTD income.

Example: You receive $1,500 in SSDI and $2,000 in LTD. The offset reduces your SSDI to $1,000. Your spouse receives a separate benefit of $750 based on your record. Your spouse's $750 payment is not affected by the offset and continues in full.

This is an important distinction because it means your LTD income does not shrink the total amount your family receives from Social Security — only your portion of it.

What happens if you disagree with the offset calculation

If you believe Social Security calculated the offset incorrectly, you can request that they recalculate it. Start by contacting your local Social Security office or calling 1-800-772-1213. Ask to speak with someone about a reconsideration of your offset amount.

You will need to provide documentation of your LTD payments and your pre-disability earnings. Social Security will review the calculation and send you a written decision. If you still disagree, you can file a formal appeal, which goes to an administrative law judge.

Common reasons for recalculation requests include: your LTD payment changed after you began receiving SSDI, your pre-disability earnings were calculated incorrectly, or Social Security did not account for a change in your family situation. Keep records of all LTD payments and any correspondence from your employer or insurance company.

Reporting changes in your LTD payment

If your LTD payment increases, decreases, or stops, you must report the change to Social Security within 10 days. Changes in LTD directly affect how much SSDI you receive, so delays in reporting can create overpayment problems.

Common changes include: your LTD benefit ending because you reached the end of the benefit period, your LTD payment increasing due to a cost-of-living adjustment, or your LTD payment decreasing because you returned to part-time work. Each of these changes requires a new report to Social Security.

You can report changes the same way you reported your initial LTD income: by phone, mail, or through your online account. Keep a copy of any written confirmation Social Security sends you after you report a change.

Frequently Asked Questions

Can my LTD insurance company take money directly from my SSDI check?

No. Your LTD insurance company cannot garnish your SSDI payment. However, if your LTD plan is offset-aware, the insurance company may reduce your LTD payment based on your SSDI amount, which indirectly affects your total income. Social Security itself reduces your SSDI payment if your combined LTD and SSDI exceed your pre-disability earnings.

What if my LTD payment is less than my SSDI payment?

If your LTD is smaller than your SSDI, the offset may not explore at all. Social Security only reduces your SSDI if the combination of LTD plus your full SSDI exceeds your pre-disability earnings. If your LTD is small, your SSDI may remain unchanged. Contact Social Security to confirm how your specific situation is calculated.

Does the offset explore if I am receiving workers' compensation instead of LTD?

Yes. The same offset rules explore to workers' compensation, federal employees' compensation, and certain other disability payments. Any income from a disability program can trigger offset with SSDI. Report all disability income to Social Security.

What if I stop receiving LTD — does my SSDI payment go back up?

Yes. When your LTD ends, report it to Social Security when ready. Your SSDI payment will increase to reflect the loss of the LTD income, assuming you still meet the disability criteria. The increase takes effect the month after Social Security receives your report of the change.

Can I appeal the offset if I think it is unfair?

You cannot appeal the offset rule itself — it is federal law. However, you can appeal if you believe Social Security made an error in calculating the offset, such as using the wrong pre-disability earnings figure or failing to account for a change in your LTD payment. Request a reconsideration from your local Social Security office.