
SSI and SSDI Similarities and Differences
If you have a disability, you may apply to the Social Security Administration (SSA) for disability benefits. If you meet SSA's criteria, you could receive disability benefits and their accompanying medical benefits from one or both of the two disability benefits programs: Supplemental Security Income (SSI) with Medicaid medical benefits, or Social Security Disability Insurance (SSDI) with Medicare. Below is a quick reference guide to some of the similarities and differences between these two programs.
| SSI | SSDI | |
|---|---|---|
| Also Known As | Supplemental Security Income | Social Security Disability Insurance |
| Eligibility Criteria | Needs based—must have little or no income and resources |
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| Monthly Benefit Amounts |
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| When
Checks Arrive |
First day of the month; if the 1st is a holiday or weekend, the check arrives on the business day before the 1st |
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| Funding Source | Annual Congressional appropriation from the “General Fund” | Social Security Trust Fund, FICA taxes |
| Laws and Regulations |
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| Medical Benefits |
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Medicare eligible (Parts A and B), 24 months after person qualifies for SSDI |
| Monthly Cost (Premium) | None | SSDI recipients with yearly incomes less than $85,000 have $104.90 (2013) deducted from their check each month. If SSDI recipient also receives SSI, then Medicaid will pay the monthly Medicare premium. |
| Deductible | None, but there may be “cost sharing” instituted by states for various services. | Yes–in 2013 the Part B deductible is $147/ year. If person also receives SSI, Medicaid pays the deductible. |
| Co-pay | Possibly none, however states may elect to have small co-pays for medications, services, hospitalization. | 20% of costs deemed allowable by Medicare; 100% of costs not deemed allowable by Medicare. If person also receives SSI, then Medicaid pays all “co-pays.” |
| Range of Coverage | Very comprehensive. Generally covers doctor visits; prescriptions; dentures; glasses; hospital, hospice care; home help services/personal care and other costs. Pays Medicare premium for concurrent recipients. Pays premiums for private insurance when cost effective. Coverage may vary from state to state. | Hospital costs primarily. Some home health care and durable medical equipment. Usually does not cover prescriptions, glasses, dentures, day-to-day medical costs, and doctor visits. However, due to recent changes, Medicare will pay for comprehensive care at select clinics, and since 2006 there is a Part D prescription benefit that pays substantial costs for most people. |
| Proof of Coverage | Card comes monthly. Lists person(s) covered, their recipient ID# for billing, Managed Care Provider, and contract number of other insurance (such as Medicare) that should be billed first. | Permanent wallet sized card–white with red and blue stripe. Names person covered, coverage, and date coverage began. |
To apply for Social Security benefits, contact your local Social Security office or call 1-800-772-1213. You may access Social Security Administration publications through SSA's website at http://www.ssa.gov
This Rural Factsheet was written by Marsha Katz
© The Rural Institute 2013

