Yes, you can receive long-term disability and Social Security at the same time, and most private LTD policies actually require you to apply for Social Security disability once you’re on claim. The catch is financial rather than legal: your LTD insurer will almost certainly reduce your monthly check by whatever Social Security approves, so the two payments don’t stack into a bigger total. Understanding how the coordination works, and where money can slip away if you’re not paying attention, matters more than the yes-or-no question.
Why LTD Policies Push You to Apply for SSDI
Long-term disability insurance is a private product, either purchased individually or provided through your employer, and it typically replaces 50% to 70% of your pre-disability income. Social Security Disability Insurance (SSDI) is a federal program for workers who have paid Social Security taxes. Supplemental Security Income (SSI) is the needs-based cousin for people with limited income and resources. Most LTD claimants are applying for SSDI, so that’s the program that matters here.
The two programs use different definitions of disability, which is why collecting both is realistic in the first place. Many LTD policies begin with an “own occupation” standard, meaning you qualify if you can’t perform the specific job you held before. After a set period, often two years, the policy shifts to an “any occupation” test. Social Security has no “own occupation” phase. Federal law defines disability as an inability to engage in any substantial gainful activity because of a medically determinable impairment expected to result in death or last at least 12 continuous months.1Legal Information Institute. 42 USC 423(d)(1) – Definition of Disability
In 2026, substantial gainful activity means earning more than $1,690 per month for most applicants, or $2,830 if you’re statutorily blind.2Social Security Administration. Substantial Gainful Activity Earn above those numbers and Social Security treats you as capable of working.
How the Offset Reduces Your LTD Check
This is the part that surprises people. Almost every employer-provided LTD policy contains an offset provision letting the insurer subtract your Social Security disability payment from what it owes you. If your policy promises $4,000 a month and Social Security approves you for $1,500, your LTD check drops to $2,500. Your total income doesn’t change. The insurer just pays less of it.
The offset runs only one direction. Your SSDI benefit is not reduced by any amount of private LTD you collect; Social Security doesn’t factor private insurance into its calculations. SSDI is, however, reduced by workers’ compensation and certain other public disability payments: if your combined SSDI and workers’ comp exceeds 80% of your average pre-disability earnings, Social Security cuts its payment back under that ceiling.3Office of the Law Revision Counsel. 42 USC 424a – Reduction of Disability Benefits
Read the offset language in your policy carefully, because some insurers go further than offsetting your own SSDI check. Many policies also subtract the auxiliary benefits Social Security pays to your spouse and children based on your record. If your spouse receives $400 a month and each of two children receives $400, that’s another $1,200 the insurer may deduct from your LTD payment on top of your own SSDI offset.
Family Benefits Under SSDI
When you’re approved for SSDI, eligible family members can draw benefits on your earnings record. That includes a spouse age 62 or older, a spouse of any age who cares for your child 15 or younger, and unmarried children under 18 (or up to 19 if still in high school full-time). A child of any age qualifies if they became disabled before 22.4Social Security Administration. Who Can Get Family Benefits
Total family payments are capped. For disability cases, the family maximum is 150% of your primary benefit amount, so a $2,000 SSDI benefit means combined family payments cannot exceed $3,000.5Social Security Administration. Understanding the Social Security Family Maximum Whether those family benefits end up in your pocket or your insurer’s depends on your LTD contract.
The SSDI Back Pay Reimbursement Trap
Social Security applications typically take months to work through the system, and many LTD claimants receive full LTD payments during that entire wait. When Social Security finally approves you, the award usually includes a retroactive lump sum covering the months between disability onset and approval. Your LTD insurer will want most of that lump sum back.
The insurer’s reasoning: during those months, it paid your full LTD benefit without any offset. Now that Social Security has confirmed you were entitled to SSDI for the same period, the insurer considers itself to have overpaid. Most insurers ask you to sign a reimbursement agreement early in the claims process, committing you to repay the overlap, often within 30 days of receiving your back pay. Miss the repayment and the insurer can freeze your ongoing LTD benefits until the debt is satisfied, and in some cases sue to recover it.
One useful detail: attorney’s fees you paid out of your Social Security back pay generally aren’t part of the overpayment calculation. The insurer is entitled to the offset amount, not the full lump sum before legal costs.
The Five-Month Gap That Makes LTD Matter
Even after Social Security approves you, benefits don’t start immediately. Federal law imposes a five-month waiting period of consecutive calendar months during which you must be disabled before SSDI payments begin.6Office of the Law Revision Counsel. 42 USC 423 – Disability Insurance Benefit Payments Your first check covers the sixth full month of disability. Become disabled in January and your first SSDI payment covers July.
This is exactly the gap an LTD policy is designed to fill. If SSDI is your only source of disability income, plan on roughly half a year with no federal payment while your claim is pending and the waiting period runs.
Taxes on the Combined Income
Whether your LTD benefit is taxable depends on who paid the premiums:
- Employer-paid LTD: the benefit is fully taxable as ordinary income. Same result if you paid premiums through a pre-tax cafeteria plan.
- Employee-paid LTD with after-tax dollars: the benefit is tax-free.
- Split-premium LTD: only the portion attributable to the employer’s share is taxable.7Internal Revenue Service. Life Insurance and Disability Insurance Proceeds
SSDI has its own rules. If your combined income (adjusted gross income plus nontaxable interest plus half your Social Security benefits) exceeds $25,000 as a single filer or $32,000 filing jointly, a portion of your SSDI becomes taxable. Those thresholds haven’t been adjusted for inflation since enactment, so most people drawing both LTD and SSDI will owe some tax on the Social Security portion.8Internal Revenue Service. Publication 907 – Tax Highlights for Persons With Disabilities SSI, by contrast, is never taxable.
Applying for Both
For LTD, start by notifying your employer’s HR department or contacting the insurance carrier directly. You’ll complete claim forms and submit medical documentation from your treating physicians. Every policy has its own filing deadlines, and missing them is one of the most common reasons for denial. Get the deadlines in writing early and leave room for your doctors to finish their portions.
For SSDI, you can apply online, by calling 1-800-772-1213, or in person at a local Social Security office.9Social Security Administration. Form SSA-16 – Information You Need to Apply for Disability Benefits The application requires detailed medical records, a full work history, and information about how your condition limits daily activities. Historically only about 18% to 21% of applicants are approved at the initial decision level.10Social Security Administration. Outcomes of Applications for Disability Benefits A denial isn’t the end; there’s a multi-level appeals process, but the timeline from initial application through a hearing can stretch beyond a year.
SSDI also requires enough work credits. In 2026, you earn one credit for every $1,890 in wages, up to four credits per year.11Social Security Administration. Social Security Credits Most workers over 31 need at least 20 credits earned in the 10 years before disability began, plus a sufficient total work history.
Keeping Both Benefits Going
Approval isn’t permanent under either program. Social Security conducts Continuing Disability Reviews on a schedule tied to whether your condition is expected to improve:
- Improvement expected: reviews every 6 to 18 months.
- Improvement possible: reviews at least every 3 years.
- Improvement not expected: reviews every 5 to 7 years.12Social Security Administration. Code of Federal Regulations 404.1590
Your LTD insurer runs its own reviews on its own schedule, often requesting updated records, functional capacity evaluations, or independent medical examinations. The policy’s disability definition may also shift during the claim, commonly from “own occupation” to “any occupation” after two years, and that transition is a frequent point where LTD benefits get cut off even when SSDI continues.
Report any change in income, work activity, or medical condition to both the insurer and the SSA. Failure to report can trigger overpayments you’ll be forced to repay, or outright termination.