Medical Expense Deduction Explained

The medical expense deduction allows you to deduct certain healthcare costs if they exceed a percentage of your income.

This deduction can significantly reduce taxable income — but only if you itemize and meet the income threshold.

Medical expenses are claimed on Schedule A (Form 1040) and attached to IRS Form 1040. The rules are set by the Internal Revenue Service.

This guide explains what qualifies, how the deduction works, and when it makes sense to claim it.

How the Medical Expense Deduction Works

You can deduct qualified medical expenses that exceed 7.5% of your adjusted gross income.

Only the amount above that threshold is deductible.

Example: If your adjusted gross income is $80,000, 7.5% equals $6,000. If your total qualifying medical expenses are $12,000, you may deduct $6,000.

If your expenses do not exceed the 7.5% threshold, you receive no deduction.

You must itemize deductions to claim medical expenses.

What Medical Expenses Qualify?

Qualified expenses generally include:

• Doctor and hospital visits
• Prescription medications
• Surgery and medical procedures
• Dental treatment
• Vision care and eyeglasses
• Health insurance premiums paid with after-tax dollars
• Medicare Part B, Part D, and Medicare Advantage premiums
• Long-term care services
• Medical mileage and transportation

Expenses must primarily be for the diagnosis, treatment, or prevention of disease.

Long-Term Care Expenses

Long-term care services may qualify if they are medically necessary.

Long-term care insurance premiums may also be deductible, but limits apply based on age.

Older taxpayers may deduct higher premium amounts than younger taxpayers.

Example: A senior paying $5,000 in qualifying long-term care insurance premiums may be able to deduct a portion, subject to age-based limits and the 7.5% income threshold.

What Does Not Qualify?

The following generally do not qualify:

• Cosmetic surgery is not medically necessary
• Over-the-counter medications (unless prescribed)
• Health club memberships (unless medically prescribed)
• Funeral expenses
• General wellness expenses

Expenses reimbursed by insurance cannot be deducted.

Can You Deduct Health Insurance Premiums?

Health insurance premiums may qualify as medical expenses if:

• You paid them with after-tax dollars
• They were not reimbursed
• You itemize

If premiums were deducted pre-tax from your paycheck, they are not deductible again.

Self-employed individuals may qualify for a separate above-the-line deduction for health insurance premiums without itemizing.

Who Benefits Most?

The medical expense deduction often benefits:

• Seniors with high healthcare costs
• Individuals with major surgeries or hospital stays
• Taxpayers with significant long-term care expenses
• Those with high out-of-pocket prescription costs

Because of the 7.5% income threshold, higher-income taxpayers may need very large medical expenses to qualify.

Strategy Tip: Timing Medical Expenses

Some taxpayers “bunch” medical expenses into one tax year to exceed the threshold.

Example: Scheduling elective procedures in the same calendar year may help total medical expenses exceed 7.5% of income and create a deductible amount.

This strategy works best when total itemized deductions exceed the standard deduction.

Common Mistakes to Avoid

• Forgetting the 7.5% income threshold
• Deducting reimbursed expenses
• Including non-qualifying cosmetic procedures
• Itemizing when the standard deduction is larger
• Failing to keep documentation

Keep receipts, billing statements, and proof of payment.

💻 Electronic Filing Recommendation

E-filing is especially helpful when claiming the medical expense deduction because calculations can be complex.

Benefits include:

• Automatic 7.5% income threshold calculation
• Proper exclusion of reimbursed expenses
• Real-time comparison of itemized vs standard deduction
• Reduced math errors
• Faster refund processing

Most tax software automatically calculates the allowable deduction and ensures it is properly reported on Schedule A.

Understanding how the medical expense deduction works can help you reduce taxable income when healthcare costs are high and avoid leaving valuable deductions unclaimed.