Families spend months getting to the Medicaid approval letter — five years of bank statements, deeds, life insurance policies, and an explanation for every transfer. The relief usually lasts about a week.
Then the facility's business office sends a statement showing what the resident owes each month, and the figure is close to the whole of a parent's Social Security deposit. Nothing has gone wrong here; this is how institutional Medicaid was built to work.
The formal term is patient liability, though the label changes at the state line. New York calls it Net Available Monthly Income, or NAMI, while other states use share of cost, applied income, or patient responsibility.
Patient liability is the share of a Medicaid resident's own monthly income that must be paid to the nursing home. Medicaid then pays the facility only the difference between that contribution and its approved rate.
Why Almost Everything Gets Redirected
Medicaid is the payer of last resort, and the post-eligibility treatment of income rules at 42 CFR 435.725 carry that principle into the monthly bill. Once a parent is living in a facility, the program treats room, board, nursing care, laundry, and meals as already covered.
Because those costs are covered, the reasoning runs, the resident has very little left to pay for personally. Accordingly, income is applied to the cost of care first, and Medicaid covers only the remainder of the state's approved daily rate.
Note that the money does not go to Medicaid. It goes to the nursing home as the resident's monthly contribution, and the facility bills the state for what is left.
For most families the switch arrives on day 101 of a skilled nursing stay, when the Medicare skilled nursing benefit runs out and the resident converts to private pay or Medicaid. The first Medicaid month is also the first month with a patient liability attached to it.
The Personal Needs Allowance
The one piece of income a resident keeps outright is the personal needs allowance, or PNA. Federal law sets the floor at $30 per month, an amount Congress fixed in 1987 and has not raised since.
The personal needs allowance is the monthly amount a nursing home resident keeps for personal spending. Federal law sets a $30 floor, and states may set a higher figure; there is no federal inflation adjustment.
States are free to set theirs above the federal minimum, and many have — figures in the $50 to $130 range are common, and a handful of states go higher. Verify the current amount with your state Medicaid agency, because it is set by state rule and changes on the state's own schedule.
What the allowance has to cover is the part families rarely anticipate: haircuts, over-the-counter items, clothing, a phone plan, cable or streaming, birthday cards, and the snacks the dietary department does not stock. The facility covers care; the allowance covers everything that makes a room feel like a life.
One related rule catches families of low-income parents. When an SSI recipient enters a Medicaid-covered institution, the federal SSI payment itself drops to $30 per month, which effectively becomes the personal spending money.
Deductions That Legitimately Reduce The Number
Patient liability is not simply gross income minus the personal needs allowance. Federal rules require a specific sequence of deductions, and the ones families miss most often are the expensive ones.
The deductions recognized in most states include but are not limited to:
- Personal needs allowance. The state-set monthly amount described above, always subtracted first.
- Community spouse monthly income allowance. When one spouse remains in the community, a portion of the institutionalized spouse's income can be diverted to the at-home spouse under the minimum monthly maintenance needs allowance rules.
- Family allowance. An additional amount for a dependent child, sibling, or parent living in the community spouse's household.
- Health insurance premiums. Medicare Part B, Part D, and any Medigap or supplemental policy premium the resident pays, including amounts withheld directly from the Social Security check.
- Incurred medical expenses. Necessary medical and remedial care that Medicaid does not cover — dental work, dentures, eyeglasses, hearing aids, podiatry, and in many states certain unpaid medical bills predating eligibility.
- Home maintenance allowance. A time-limited deduction, offered in some states, for a single resident whose physician certifies a likely return home, typically capped at around six months.
- Guardianship and fiduciary fees. Court-approved compensation for a guardian or conservator, allowed in some states and not in others.
Allowed deductions include the personal needs allowance, health insurance premiums, a spousal or family allowance, and medical costs Medicaid does not cover. States apply them in a set order before the balance goes to the facility.
All of these are applied before the facility sees a dollar, which is why an accurate deduction list matters more than almost anything else in the monthly math. A missed Medigap premium or an unclaimed dental expense is money the family simply loses every month.
Here is how the commonly allowed items compare with the ones families expect to deduct and cannot:
| Commonly deductible | Commonly not deductible |
|---|---|
| Medicare Part B and Part D premiums | Credit card balances and consumer debt |
| Medigap or supplemental policy premiums | Car payments and vehicle insurance |
| Non-covered dental, vision, and hearing costs | Gifts or support sent to adult children |
| Community spouse and dependent family allowances | Church and charitable contributions |
| Court-approved guardianship fees, in some states | Informal payments to a family caregiver with no written personal services contract |
| Time-limited home maintenance allowance, in some states | Mortgage, taxes, and upkeep outside that allowance |
The pattern behind the table is consistent: expenses tied to health care and to a dependent spouse or family member reduce liability, while ordinary household and consumer obligations do not. That is also why a parent's remaining credit card balance or car loan does not shrink the monthly contribution, even when the family is still paying it.
How The Arithmetic Runs
The sequence matters more than any single figure. The illustration below uses round placeholder amounts chosen only to show the order of operations — substitute the numbers on your parent's own award letter and premium statements.
| Line | Illustration only |
|---|---|
| Social Security plus a small pension | $2,300 |
| Less personal needs allowance (state-set) | −$50 |
| Less Medicare Part B premium withheld | −$200 |
| Less Medigap premium paid monthly | −$180 |
| Less recurring non-covered dental expense | −$70 |
| Patient liability paid to the facility | $1,800 |
The remaining gap between that contribution and the facility's Medicaid rate is what the program pays. In practice the gap is often larger than the resident's entire income, which is precisely why the eligibility rules are as strict as they are.
A Community Spouse Changes The Math Substantially
When one parent enters a facility and the other stays home, the spousal income allowance is usually the largest single deduction on the sheet. It exists to keep the at-home spouse from being impoverished, and it can redirect a significant share of the institutionalized spouse's income away from the nursing home.
The allowance is calculated from the community spouse's own income and shelter costs against a state figure that updates annually — the mechanics appear in our explanation of the community spouse monthly income allowance and the related community spouse resource allowance calculation. What's more, a spouse whose rent, mortgage, taxes, or utilities run high can request a fair hearing to raise the allowance above the standard amount.
Retirement accounts complicate this further, since a required distribution from an IRA or 401(k) is countable income in most states and lands squarely in the liability calculation. Families in that position often start with how a 401(k) is treated when one spouse needs care.
Income-Cap States And Qualified Income Trusts
Roughly half the states cap eligibility at a special income limit equal to 300 percent of the federal SSI benefit rate. A parent whose gross income exceeds that cap is not eligible on income alone, no matter how high the nursing home bill runs.
The standard fix is a qualified income trust, also called a Miller trust, which receives the excess income each month. Here is where the misunderstanding usually sits: the trust establishes eligibility, but the money inside it still flows out to the nursing home.
A qualified income trust creates eligibility in an income-cap state; it does not let the family keep the income. Trust funds still flow to patient liability after the same deductions, less a small administrative amount.
Florida is one of the income-cap states where this comes up constantly, and the interaction between the cap, the trust, and the monthly contribution is set out in our Florida Medicaid eligibility guide. Note that the trust has to be funded every single month, since a missed deposit can break eligibility for that month.
Income That Is Not Counted At All
A few income sources sit outside the calculation entirely, and they are worth identifying before the first statement arrives. The most common is the VA pension.
Under federal law the VA reduces a pension to $90 per month for a veteran without dependents who is receiving Medicaid-covered nursing home care, and that $90 is neither counted as income nor applied to the cost of care. It sits alongside the personal needs allowance, which is why some veterans have noticeably more spending money than other residents — our overview of VA Aid and Attendance benefits covers how the benefit shifts once Medicaid starts.
Certain other payments — German and Austrian reparations, some Native American trust distributions, and specific state-excluded items — are also disregarded. Be aware that the exclusion list is state-specific and worth confirming rather than assuming.
When The Number Changes
Patient liability is recalculated at redetermination and whenever income changes. The January Social Security cost-of-living increase usually raises it, because the raise is applied to the cost of care rather than kept.
The most predictable change arrives every January. A cost-of-living increase raises gross income, and unless the state's allowances rise by a matching amount, most of that increase is absorbed into the monthly contribution.
Other triggers include a pension starting or ending, a Medigap policy lapsing, the expiration of a home maintenance allowance period, and a move between levels of care. Each one should be reported, since an unreported increase creates an overpayment the state will eventually recover.
The hardest change to anticipate is the death of a community spouse. When the at-home spouse dies, the spousal allowance ends and patient liability rises by that full amount the following month.
Where Families Get Blindsided
The mechanics catch people as often as the math does. Social Security does not automatically redirect a deposit to the nursing home — someone with legal authority has to move the money every month, on time.
That someone is usually an agent under a durable power of attorney or a Social Security representative payee, and the two are not interchangeable, since SSA does not recognize a power of attorney for benefit management. If no authority is in place, the family may be looking at a court petition, which our comparison of guardianship versus power of attorney walks through.
Retroactive months are the second surprise. Medicaid coverage often reaches back to the application month or earlier, which means patient liability is owed for those months too, and the facility will bill for them once approval posts.
A third involves spend-down purchases. Prepaid arrangements such as an irrevocable funeral trust reduce countable assets before eligibility but create no monthly deduction afterward. And if the liability calculation itself looks wrong, it is an appealable determination — the process mirrors the one described in our guide to appealing a Medicaid denial.
At Home Under A Waiver, The Formula Is Different
Home and community based waivers use a separate formula. Participants living at home keep a far larger maintenance needs allowance, often tied to the federal poverty level, because they still pay rent, utilities, and food.
A parent receiving services at home under an HCBS waiver is not surrendering nearly all income, because the state recognizes that housing and groceries still have to be paid for. Cost-sharing exists in many waiver programs, yet it is a fraction of institutional patient liability.
That gap is one reason families compare settings carefully before a placement decision, weighing waiver services and home health aide costs against facility care. The clinical side of the comparison usually runs through a level of care assessment, which determines what a state will authorize in the first place.
Common Questions About The Monthly Contribution
Who actually sends the money to the nursing home each month?
The resident or their legal representative does. Social Security keeps depositing into the parent's account, and an agent under a durable power of attorney or a representative payee transfers the liability amount to the facility.
Is patient liability owed during Medicare-covered skilled nursing days?
Not for the days Medicare pays in full. Once coinsurance days begin, or the benefit ends and Medicaid takes over, the contribution applies for the Medicaid-covered portion of the month.
Is anything owed for the months between application and approval?
Usually yes. Medicaid commonly grants retroactive coverage back to the application month, or up to three months earlier in states that still offer it, and patient liability attaches to each covered month.
Does the share of cost change when the community spouse dies?
Yes, and sharply. The spousal income allowance ends with the community spouse's death, so the full amount that had been diverted becomes part of the resident's contribution going forward.
Questions Worth Bringing To An Elder-Law Attorney
The deduction list is where families recover real money, and it is also where state rules diverge most. A licensed elder-law attorney or the state Medicaid agency can confirm which items apply in your parent's state before the next statement posts.
Questions that tend to be worth the appointment: whether every insurance premium is being deducted, whether outstanding pre-eligibility medical bills qualify, whether a spousal allowance could be increased through a fair hearing, and whether a home maintenance allowance is available. Families whose questions reach further back — into gifts, transfers, and what the program can recover later — will find the groundwork in our explanations of the five-year lookback and of Medicaid estate recovery.
Our elder-law attorney directory lists practitioners by state for families who do not yet have counsel.
This article is for informational purposes and is not financial, tax, legal, or medical advice. Consult a licensed professional — a CPA, an elder-law attorney, or your state Medicaid office — before acting.