Self-Employed Health Insurance Deduction Guide (2026)

What the Self-Employed Health Insurance Deduction Is

The self-employed health insurance (SEHI) deduction lets sole proprietors, partners, and more-than-2% S-corp shareholders deduct the full cost of health, dental, and qualified long-term care insurance premiums for themselves, their spouse, dependents, and children under age 27. It is one of the most valuable benefits in the tax code for solo workers, and one of the most under-claimed.

According to KFF, the average annual premium for individual marketplace coverage in 2025 was $9,325. Family premiums often run two to three times higher. Without this deduction, those dollars would be paid with after-tax income.

Who Qualifies

• Sole proprietors filing Schedule C
• Single-member LLC owners
• General partners and most LLC members reporting on Schedule K-1
• S-corporation shareholders who own more than 2% (with specific W-2 reporting rules)
• Statutory employees with Schedule C income

You also need a profit. The deduction cannot exceed your net self-employment income from the business that established the plan. If you had a loss for the year, you cannot use the SEHI deduction (the premiums may instead be added to medical expenses on Schedule A, subject to the 7.5% AGI floor).

What Premiums Are Covered

• Major medical health insurance (marketplace, off-marketplace, COBRA, retiree plans)
• Dental insurance
• Vision insurance
• Qualified long-term care insurance, subject to IRS age-based limits
• Medicare Part B, Part D, and Medicare supplement (Medigap) premiums

The plan can be in the name of the business or in the name of the self-employed person. What matters is who pays for it and whose income it is being deducted against.

The Spouse’s Employer Plan Trap

You cannot take the SEHI deduction for any month you are eligibleto participate in a subsidized health plan through your spouse’s employer — even if you decline that coverage. This catches a lot of freelancers off guard.

The test is monthly. If your spouse takes a new job in July with employer-subsidized family coverage, you can still deduct premiums for January through June. From July on, the deduction stops, regardless of whether you actually enrolled.

SEHI vs Spouse’s Employer Plan: When Each Wins

• Spouse’s employer plan wins when: the employer covers most of the premium and the network is good. A $200/month employee contribution beats a $750/month marketplace premium even after the SEHI tax savings.
• SEHI wins when: the spouse’s plan is unsubsidized or low-quality, you want a specific network, or your AGI is high enough that a marketplace plan with a Health Savings Account makes more sense.

How the Income Limit Works

The deduction is capped at your net earned income from the business through which the plan is established. For a sole prop, that is Schedule C profit minus the deductible portion of SE tax. For an S-corp shareholder, it is your W-2 box 1 wages from the corporation.

If you have $7,000 in net SE income and $9,000 in premiums, you can only deduct $7,000 this year. The remaining $2,000 is generally lost (it does not roll forward, though the unused portion can be added to Schedule A medical expenses).

Marketplace Premium Tax Credit Interaction

If you buy coverage on the ACA marketplace and qualify for the Advance Premium Tax Credit (APTC), the math gets recursive. The SEHI deduction lowers your AGI, which raises the APTC, which lowers the deductible premium, which raises AGI back up.

The IRS provides two methods: an iterative calculation that converges to the correct number, or a simplified safe harbor described in Rev. Proc. 2014-41. Most tax software (TurboTax, FreeTaxUSA, etc.) handles this automatically. If you prepare your own return by hand, the iterative method is straightforward but tedious.

Long-Term Care Premium Limits

Qualified long-term care insurance premiums are deductible up to age-based dollar limits the IRS publishes each year. The limits scale by age band, with higher caps for older taxpayers. Standard medical and dental premiums have no separate cap beyond the overall net SE income limit.

How to Claim the Deduction

1. Confirm you had a net profit on Schedule C (or comparable self-employment income)
2. Confirm you were not eligible for spouse-employer subsidized coverage during the months you are claiming
3. Total your premiums for medical, dental, and qualified LTC for self, spouse, dependents, and under-27 children
4. Calculate the deduction (subject to the net SE income limit and APTC interaction if applicable)
5. Report on Schedule 1, Line 17 as “Self-employed health insurance deduction”

S-corporation shareholders have an extra step: the corporation must include the premiums in box 1 wages on the W-2 (but not in boxes 3 or 5), and the shareholder claims the deduction personally. Skipping the W-2 inclusion disqualifies the deduction.

Worked Example: $60,000 SE Income, $9,325 Premium

Maya is a single freelance copywriter:

• Net Schedule C profit: $60,000
• Annual marketplace premium (silver plan): $9,325 (KFF 2025 average)
• No spouse, no APTC, no employer coverage available
• Filing single, 22% federal bracket, 5% state bracket

Step 1: Confirm the deduction is allowed — net SE income ($60,000) far exceeds premiums ($9,325). Full amount is deductible.

Step 2: Report $9,325 on Schedule 1, Line 17.

Step 3: Calculate income tax savings:

• Federal: $9,325 × 22% = $2,052
• State: $9,325 × 5% = $466
• Total income tax savings: $2,518

Step 4: SE tax does not change. SE tax stays at roughly $8,478 (15.3% on 92.35% of $60,000).

Net effect: Maya pays $9,325 in premiums but saves $2,518 in tax, making the effective cost $6,807. That is a 27% discount on her health insurance, courtesy of the tax code.

To see how this stacks with your full SE tax picture, run your numbers through our self-employment tax estimator.

Common Mistakes

Putting Premiums on Schedule C

SEHI is not a Schedule C deduction. It belongs on Schedule 1. Putting it on Schedule C reduces your SE tax in error and triggers IRS notices.

Forgetting About Spouse Eligibility

Even if your spouse’s employer plan is worse than yours, eligibility kills the SEHI deduction for those months. The test is offered, not enrolled.

Missing Dental and LTC

Many filers only claim health premiums and forget dental and qualified long-term care, leaving real money on the table.

S-Corp W-2 Reporting Slip

For more-than-2% shareholders, the corporation must report premiums in box 1 of the W-2. Without that, the deduction fails.

Related Reading

• How to calculate self-employment tax in 2026
• Quarterly estimated tax payments guide
• Freelance rate calculator guide
• How much should freelancers save for taxes
• 1099 vs W-2 tax differences
• Solo 401(k) vs SEP-IRA comparison

Frequently Asked Questions

Can self-employed individuals deduct 100% of health insurance premiums?

Yes. Self-employed individuals can deduct 100% of premiums paid for medical, dental, and qualified long-term care insurance for themselves, their spouse, and dependents. The deduction is taken above the line on Schedule 1, so it lowers your AGI even if you do not itemize. It is limited to your net self-employment income for the year.

Does the self-employed health insurance deduction reduce SE tax?

No. The self-employed health insurance deduction reduces your federal income tax (and most state income taxes), but it does not reduce your 15.3% self-employment tax. SE tax is calculated on net Schedule C profit before the SEHI deduction is applied.

Can I take the SEHI deduction if my spouse has employer coverage?

If you are eligible to participate in a subsidized health plan through your spouse’s employer, you cannot take the SEHI deduction for any month you are eligible, even if you decline the coverage. The eligibility test is month by month, so you can still deduct premiums for months when you were not eligible.

Can I deduct dental and long-term care premiums?

Yes. The SEHI deduction covers medical, dental, and qualified long-term care insurance premiums. Long-term care premiums are subject to age-based dollar limits that the IRS publishes each year. Standard medical and dental premiums have no separate cap beyond the net SE income limit.

How does the marketplace premium tax credit interact with the SEHI deduction?

If you receive an Advance Premium Tax Credit (APTC) for marketplace coverage, you can only deduct the portion of premiums you paid out of pocket, not the subsidized portion. The IRS allows an iterative or simplified calculation since the deduction itself affects AGI, which affects the credit. Most tax software handles the loop automatically.