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

No. It reduces income subject to income tax but not self-employment tax.

Can S corporation owners claim it?

Yes, if the corporation pays or reimburses the premiums and reports them in the shareholder's W-2 wages.

What if my spouse's employer offers subsidized coverage?

You cannot claim the deduction for any month you were eligible for that subsidized plan, even if you declined it.

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Standard ElementsSeptember 28, 20263 min read

Self-Employed Health Insurance Deduction: Deducting 100% of Premiums

An above-the-line deduction for medical, dental and long-term care premiums.

By SWITCH Tax Strategy Team

Self-employed (SE) health insurance is a tax strategy that lets eligible business owners deduct 100% of the medical, dental and qualified long-term care insurance premiums they pay for themselves, their spouse and dependents as an above-the-line adjustment to income. Unlike itemized medical deductions, it does not require exceeding an income-based floor.

Who qualifies

Sole proprietors and single-member LLC owners reporting on Schedule C
Partners and LLC members receiving guaranteed payments or net earnings from self-employment
More-than-2% S corporation shareholders, when set up correctly

You cannot claim the deduction for any month you were eligible to participate in a subsidized health plan through your own or your spouse's employer.

Limits

The deduction cannot exceed the earned income from the business under which the plan is established. Qualified long-term care premiums are deductible only up to age-based annual limits. The deduction reduces income tax but does not reduce self-employment tax.

S corporation owners

For more-than-2% shareholders, the S corporation must pay or reimburse the premiums and include them in the shareholder's W-2 wages (Box 1, not subject to Social Security and Medicare). The shareholder then claims the deduction. Paying premiums personally without this setup can forfeit the deduction.

Medicare premiums

Medicare Part B, Part D and Medicare Advantage premiums can qualify for eligible self-employed individuals, which matters for owners working past 65.

Cautions

Premium tax credits from a marketplace plan interact with this deduction and require careful calculation.
Monthly eligibility testing applies if you or your spouse had access to employer coverage for part of the year.
Keep premium statements and payment records tied to the business.

How SWITCH helps

We model whether this strategy fits your income, entity structure and goals alongside the rest of your plan, then coordinate execution and the records that support your return. SWITCH is a tax strategy platform, not a CPA firm or law firm; where licensed professional advice is required, we coordinate with licensed CPAs and attorneys. This article is general education, not tax or legal advice. Request a free consult with our team to see how it applies to you.

Frequently asked questions

Does the SE health insurance deduction reduce self-employment tax?: No. It reduces income subject to income tax but not self-employment tax.
Can S corporation owners claim it?: Yes, if the corporation pays or reimburses the premiums and reports them in the shareholder's W-2 wages.
What if my spouse's employer offers subsidized coverage?: You cannot claim the deduction for any month you were eligible for that subsidized plan, even if you declined it.

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