Health Insurance Tax Planning for 2025 and 2026

• Dan O'Donnell
• February 24, 2025
• 6 min read

Health insurance tax planning starts with knowing how each expense was paid. Pretax payroll contributions, self-employed premiums, itemized medical deductions, and HSA or FSA reimbursements follow different rules. Match each cost to one eligible benefit rather than claiming the same expense twice.

Choose the appropriate tax treatment

• Employer coverage: Premiums paid through pretax payroll deductions generally cannot be deducted again on your return.
• Self-employed coverage: Eligible business-established premiums may qualify for the self-employed health insurance deduction without itemizing, subject to income and coverage restrictions.
• Itemized expenses: Eligible after-tax, unreimbursed costs may qualify as medical expense deductions on Schedule A, but only above 7.5% of adjusted gross income.
• Marketplace insurance: A premium tax credit may reduce eligible premiums. Coordinate it with other deductions and reconcile advance payments on Form 8962.

Compare HSA and health FSA limits

HSA limits include employer contributions. Eligible people age 55 or older may contribute an additional $1,000, subject to the applicable eligibility rules. A partial year of eligibility can reduce your limit.

A general-purpose health FSA usually makes you ineligible to contribute to an HSA, including when a spouse’s FSA can reimburse your expenses. Certain limited-purpose or post-deductible arrangements are compatible. Review your plan documents and our HSA eligibility guide before combining benefits.

Health FSAs may have forfeiture, carryover, or grace-period rules. A dependent care FSA covers qualifying work-related care and is a different benefit. Sources: IRS Publication 969 and 2026 IRS limits.

Track medical travel accurately

The optional medical mileage rate was 21 cents per mile for 2025. For 2026, it is 20.5 cents from January through June and 23.5 cents from July through December. Keep travel dates, mileage, purpose, and eligible parking or toll receipts. These costs still must meet medical-expense rules. Check the IRS standard mileage rates before calculating your deduction.

Review coverage changes before year end

A new job, marriage, Medicare enrollment, or a move can change which benefits you qualify for. Keep a month-by-month coverage record. Update your Marketplace income estimate when circumstances change, especially because repayment caps for excess advance premium credits no longer apply after tax year 2025.

Use Form 1095-A to reconcile Marketplace coverage. Do not treat future medical care, general wellness expenses, or ordinary gym memberships as deductible merely because you prepay them or a doctor recommends them.

Build a filing-ready record

Retain premium bills, payment confirmations, coverage dates, reimbursement statements, and HSA or FSA records. Separate tax-year 2025 expenses from 2026 expenses. This makes the deduction calculation easier and helps prevent double claims.