Are Employer-Paid Health Insurance Premiums Taxable Income?

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Employer-paid health insurance premiums usually are not taxable income to an ordinary employee under federal law. Internal Revenue Code section 106 excludes employer-provided accident or health plan coverage from gross income, and federal payroll guidance generally excludes qualifying coverage from wages for income tax withholding, Social Security, Medicare, and federal unemployment tax.

The word “usually” matters because several arrangements that look similar on a pay statement follow different rules. The source of the premium, the way an employee contribution is elected, the identity of the covered person, and the employee’s ownership interest in an S corporation can change the federal tax result.

Employer contributions and employee contributions are separate questions

An employer contribution is the portion the employer pays toward coverage. For a qualifying accident or health plan, that amount is generally excluded from the employee’s federal gross income even though the employer is providing something valuable.

An employee contribution is the portion charged to the employee. If it is withheld from pay under a valid section 125 cafeteria plan, the employee elects a qualified benefit instead of cash compensation. That salary-reduction amount generally is not included in federal gross income.

Employee payments made outside a cafeteria plan may instead be after-tax payments. The payroll label alone does not establish the treatment; the governing plan arrangement and election determine whether a salary reduction qualifies. A separate explanation of pre-tax health insurance premiums explores that employee-payment question in more detail.

What the exclusion covers

The section 106 exclusion concerns employer-provided coverage under an accident or health plan. IRS guidance describes the category as including employer contributions toward accident or health insurance and certain arrangements that directly provide or reimburse medical benefits.

Coverage commonly extends to an employee, the employee’s spouse, dependents, and a child who has not reached age 27 by the end of the tax year, subject to the particular statutory rules. The exclusion applies to the value of qualifying coverage rather than only to cash sent directly to an insurance company.

Different health arrangements can carry their own conditions. Long-term-care coverage, health savings accounts, health reimbursement arrangements, and qualified small employer health reimbursement arrangements are governed by additional provisions. The broad answer for ordinary group medical premiums should not be assumed to resolve every specialized benefit.

Box 12 code DD does not mean the premium is taxable

Certain employers report the cost of employer-sponsored health coverage in box 12 of Form W-2 using code DD. That amount generally combines the employer-paid and employee-paid portions of the reportable coverage.

This entry is informational. It does not move an otherwise excludable employer contribution into taxable wages, and an employee does not add the code DD amount to income merely because it appears on Form W-2.

Box 1 is the more relevant place to identify federal taxable wages. Even then, a difference between the premium cost and box 1 cannot be interpreted in isolation because box 1 reflects many compensation and benefit items.

More-than-2-percent S corporation shareholders follow a special rule

Section 1372 treats an S corporation as a partnership and a more-than-2-percent shareholder as a partner for employee-fringe-benefit rules. A more-than-2-percent shareholder is a person who owns, directly or under applicable constructive-ownership rules, more than 2 percent of the corporation’s stock or voting power on any day during the tax year.

Because that shareholder is not treated as an employee for the section 106 exclusion, health premiums paid or reimbursed by the S corporation generally are included in the shareholder-employee’s Form W-2 box 1 wages. Under the conditions described in IRS guidance, those additional wages generally are not included in Social Security and Medicare wage boxes.

Notice 2008-1 explains when a shareholder-employee may claim the separate self-employed health insurance deduction under section 162(l). Inclusion in box 1 and eligibility for a deduction are distinct steps; a deduction does not convert the employer payment into an ordinary-employee exclusion.

This ownership rule is one reason the federal S corporation tax structure matters when reading a payroll record.

Domestic-partner coverage may create imputed income

Federal tax law recognizes a marriage when it is recognized by the state or territory where it was entered into. A registered domestic partnership, civil union, or similar relationship that is not denominated as marriage is not treated as marriage for federal tax purposes.

If an employee’s domestic partner does not otherwise qualify for tax-favored coverage under the applicable federal rules, the value of the partner’s employer-provided coverage may be included in the employee’s taxable wages as imputed income. “Imputed income” means a noncash benefit value treated as income for tax reporting.

If the domestic partner qualifies as the employee’s tax dependent for the relevant federal health-benefit rule, the exclusion may apply. State law can determine relationship status and benefit access, while federal tax definitions determine the federal income and payroll treatment. This makes domestic partnership terminology relevant without making a state-recognized partnership automatically equivalent to marriage for federal taxes.

A compact way to read the common arrangements

• Ordinary employee, employer-paid group premium: generally excluded from federal gross income and wages.
• Ordinary employee, valid cafeteria-plan salary reduction: generally paid with pretax compensation under section 125.
• Ordinary employee, after-tax payroll deduction: paid from compensation that has already entered taxable wages.
• More-than-2-percent S corporation shareholder-employee: premiums generally enter box 1 wages, with separate employment-tax and potential deduction rules.
• Coverage for a person who is not a federal spouse or qualifying dependent: the value may create imputed income even if the plan allows enrollment.

These categories explain why two employees enrolled in similar health plans can see different wage reporting. The premium itself is only one fact; the tax classification of the payment and covered person controls the federal result.

Sources

• 26 U.S.C. § 106, Contributions by employer to accident and health plans
• 26 U.S.C. § 125, Cafeteria plans
• 26 U.S.C. § 1372, S corporation fringe-benefit treatment
• IRS Publication 15-B (2026), Employer’s Tax Guide to Fringe Benefits
• IRS Publication 15 (2026), Employer’s Tax Guide
• IRS Form W-2 reporting of employer-sponsored health coverage
• IRS Notice 2008-1, health insurance costs of 2-percent shareholder-employees
• IRS Revenue Ruling 2013-17, federal tax recognition of marriage