The federal tax code lets a taxpayer deduct unreimbursed medical and dental expenses, but only the portion that exceeds 7.5% of adjusted gross income. For a retiree carrying heavy out-of-pocket care costs, that threshold can turn into a meaningful deduction, and one of the items it can include is often overlooked: the premiums paid on a qualified long-term-care insurance policy. The mechanics are precise, the paperwork is real, and the benefit only reaches taxpayers who itemize, which is why the rule rewards those who track their spending carefully.
How the 7.5% floor works
The deduction is not a dollar-for-dollar write-off of every medical bill. As the IRS explains in Topic 502, only unreimbursed expenses that exceed 7.5% of adjusted gross income can be counted, and just the amount above that line is deductible. A retiree with $40,000 in adjusted gross income crosses the threshold at $3,000 in medical costs, and only the spending beyond that $3,000 flows onto the return. Everything below the floor produces no deduction at all.
That structure means the deduction is most valuable in a year of concentrated cost, such as a major surgery, an extended nursing stay, or a stretch of intensive in-home care. Ordinary years with modest, well-covered expenses rarely clear the threshold. A taxpayer anticipating a large elective expense sometimes has reason to consider its timing, because bunching qualifying costs into a single tax year can push the total above the floor when spreading them across two years would leave each year short of it.
The list of what qualifies is broad. The IRS counts payments to doctors, dentists, and hospitals, prescription drugs, many medical devices and mobility equipment, and the cost of transportation for care, among other items detailed in Publication 502. Costs that were reimbursed by insurance or paid from a tax-advantaged health account do not count, because the deduction is limited to money that actually came out of the taxpayer’s own pocket.
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Where long-term-care premiums fit
The feature that makes this deduction especially relevant to older taxpayers is that premiums on a qualified long-term-care insurance policy can be treated as a deductible medical expense, subject to age-based limits. Publication 502 confirms that a portion of those premiums counts toward the medical total, and the amount that qualifies rises with the policyholder’s age, so an older insured person can generally include more of the premium than a younger one. The policy has to meet the tax code’s definition of qualified coverage for the premiums to count.
The same category can reach the cost of care itself. When a person is chronically ill and receiving qualified long-term-care services under a plan of care, those payments can be included as medical expenses. For a family paying out of pocket for a nursing home, assisted living tied to medical need, or in-home care, the amounts involved are often large enough to clear the 7.5% floor on their own, which is precisely the situation where the deduction does the most work.
Because the qualifying premium amount is capped by age and the definitions are specific, this is an area where the details determine the result. A policy that does not meet the qualified-coverage test, or a premium above the age-based limit, will not deliver the full deduction, and a taxpayer relying on it has reason to confirm the numbers against the current IRS limits rather than assume the entire premium is deductible.
The catch: you have to itemize
The medical deduction lives on Schedule A, which means it is available only to taxpayers who itemize instead of taking the standard deduction. As the IRS notes in its guidance for Schedule A of Form 1040, a filer chooses one path or the other, and itemizing makes sense only when the total of all itemized deductions exceeds the standard deduction the taxpayer would otherwise claim. For many retirees, whose standard deduction is larger than a younger filer’s, a single medical item may not tip the balance.
That interaction is what decides whether the deduction is real for a given household. A retiree with a large medical year, a mortgage-interest deduction, state taxes, and charitable gifts may find that the combined total clears the standard deduction and unlocks the medical write-off. A retiree with few other itemized items may discover that even a substantial medical bill is not enough on its own to make itemizing worthwhile, in which case the deduction, while technically available, produces no benefit.
The practical takeaway is that the 7.5% rule rewards documentation. A taxpayer who keeps a running record of premiums, care payments, mileage to appointments, and unreimbursed bills is in a position to know, at year’s end, whether the total clears both the income floor and the standard-deduction hurdle. The deduction is not automatic, and the difference between claiming it and missing it often comes down to whether the receipts were kept in the first place.
This article was researched and drafted with the assistance of AI and reviewed by The Money Overview editorial team.
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