If you had a hard medical year, the IRS lets you deduct what you paid above 7.5% of your adjusted gross income. The catch is timing. Medical costs count in the year you pay them, so a bill paid on December 30 helps your 2026 return and the same bill paid on January 2 doesn’t.
The deduction only helps people who itemize, and most households don’t. So before you rush to pay anything, run two quick checks.
Check 1: are you over 7.5% of AGI?
Only the part of your medical costs above 7.5% of AGI is deductible, under the rules in IRS Publication 502.
With an AGI of $60,000, the floor is $4,500. If you paid $12,000 in qualifying costs, you can deduct $7,500. If you paid $4,000, you can’t deduct anything.
Add up what you’ve paid so far this year for yourself, your spouse and your dependents. Use what you paid, not what the provider billed. Leave out anything insurance, an HSA or an FSA covered.
Check 2: will you itemize at all?
Your total itemized deductions have to beat the standard deduction, or the medical deduction is worth nothing.
For 2026 the standard deduction is $16,100 for single filers, $32,200 for married couples filing jointly and $24,150 for heads of household. People 65 or older add $2,050 if single, or $1,650 each if married.
Itemized deductions include medical costs over the floor, state and local taxes up to the cap, mortgage interest and charitable gifts. A retired couple with no mortgage often can’t get there. A single person with a large hospital bill and a mortgage often can.
The new $6,000 senior deduction is separate. You get it with or without itemizing, so it doesn’t change this math. Our article on the $6,000 senior deduction explains who qualifies.
Example: when paying in December pays off
Take a single filer, age 67, with $50,000 of AGI. Their standard deduction is $18,150. They have $7,000 of mortgage interest and property and state taxes of $5,000. So far this year they’ve paid $9,000 in medical costs.
The 7.5% floor is $3,750. Deductible medical costs are $5,250. Itemized total: $17,250, which is still below $18,150. Itemizing doesn’t help yet.
Now say they owe a $4,000 balance for dental implants. Paid in December, the medical deduction grows to $9,250, itemized deductions reach $21,250, and they beat the standard deduction by $3,100. In the 12% bracket that saves about $370. Paid in January, it saves nothing for 2026, and maybe nothing for 2027 either if next year’s costs are lower.
Bunching costs into one year
Because of the floor, medical costs are worth more when they land in the same year. If 2026 is already a big year, it may make sense to:
- Pay any outstanding hospital, surgery or therapy balances before December 31
- Schedule care you need anyway, like dental work, new glasses or hearing aids, before year end
- Refill prescriptions due in late December
- Pay for medical equipment you’ve been putting off
If 2026 is a light year and 2027 looks heavy, the opposite works. Delay what can safely wait.
This is about timing care you already need. A deduction worth a few hundred dollars is no reason to buy something you wouldn’t otherwise.
Paying in advance for care you’ll get next year generally doesn’t count for this year. The payment has to be for care you’ve already received, with a few exceptions for things like certain retirement community fees.
A credit card counts on the charge date
A medical bill charged to a credit card counts in the year of the charge, not the year you pay off the card. Charging a $3,000 bill on December 29 gives you a 2026 deduction even if you pay the card in February.
Be careful with this. Card interest isn’t deductible, and a large balance at 20% or more can cost more than the deduction saves. Our guide to credit card interest math shows how fast it adds up. Many hospitals offer interest free payment plans, but only the amounts you pay by December 31 count for 2026.
What counts as a medical expense
The list is longer than most people expect:
- Doctor, hospital, dental, vision and mental health care
- Prescription drugs and insulin
- Health insurance premiums you pay with after tax money, including Medicare Part B, Part D and Medigap
- Long term care insurance premiums, up to a limit based on age
- Hearing aids, glasses, contacts and dental work
- Mileage, parking and tolls for medical trips
- Nursing home costs when the main reason for being there is medical care
- Home changes for a medical condition, like ramps or grab bars, to the extent they don’t raise the home’s value
What doesn’t count: cosmetic procedures, gym memberships, general health supplements, and anything paid through an HSA or FSA. Premiums deducted from your paycheck before tax also don’t count, because you never paid tax on that money.
HSA and FSA money
You can’t deduct a cost and also pay for it tax free from an HSA or FSA.
If you have an FSA balance you’ll lose at year end, use it first. Our guide on the FSA use it or lose it rule covers the deadlines. With an HSA, paying from the account is usually better than deducting, since it avoids the 7.5% floor completely.
Questions people ask
Can I deduct medical costs I paid for a parent?
Often yes, if the parent qualifies as your dependent for medical purposes. The income limit that normally applies to dependents doesn’t apply here, so you may qualify even if you can’t claim your parent for other benefits.
Do I need receipts?
Keep them. You don’t send them with your return, but you need them if the IRS asks. Provider statements showing what you paid and when are best.
Can self employed people deduct health insurance another way?
Yes. Self employed people can usually deduct health insurance premiums without itemizing, through the self employed health insurance deduction.
What if insurance reimburses me next year?
If you deduct a cost in 2026 and get reimbursed for it in 2027, you may have to report the reimbursement as income in 2027, up to the amount the deduction saved you.
Related reading
- Which 2026 Tax Moves Have to Happen by December 31?
- Can You Deduct Charity Without Itemizing in 2026?
- What Changes for Medicare in 2027, and Why December 7 Matters
Figures are for the 2026 tax year. This article is general information, not tax advice. Check your situation with a tax professional before timing large payments. See our disclaimer.
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