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ACA (42 U.S.C. § 18001) / Premium Tax Credits & COBRA Rights

U.S. Health Insurance & ACA Marketplace Guide (2026)

Complete guide to navigating U.S. healthcare coverage: ACA Metal Tiers (Bronze, Silver, Gold, Platinum), income-based Premium Tax Credits (PTCs), COBRA continuation after job loss, and immigrant eligibility.

Executive Healthcare Summary

The U.S. healthcare system relies heavily on private insurance, including employer-sponsored coverage and individual Marketplace plans. Employer contribution and employee payroll deductions depend on the employer and plan structure; pre-tax treatment is common but not universal. Lawfully present immigrants may qualify for Marketplace coverage, and enrollment outside Open Enrollment depends on the applicable Special Enrollment Period rules and circumstances.

Understanding how health plans function (deductibles, copays, out-of-pocket maximums), when to enroll, and how to utilize federal Premium Tax Credits is essential to avoid catastrophic medical bills in the U.S. Try our interactive Health Insurance Cost Simulator to model out-of-pocket expenses.

Related Master Guides: For elderly sponsored relatives, review our Medicare Buy-In for Green Card Parents guide. If bringing visiting parents on B1/B2 visas, see Visitor Medical Insurance Comparison. For emergency care rights, see U.S. Hospitals & Emergency Rights.

ACA Marketplace Metal Tiers (Actuarial Value)

Metal TierPlan PaysYou Pay (Out of Pocket)Monthly PremiumBest Suited For
Bronze60%40%LowestHealthy individuals needing catastrophic protection.
Silver70%30%ModerateBest value if eligible for Cost-Sharing Reductions (CSRs).
Gold80%20%HigherIndividuals expecting frequent doctor visits or treatments.
Platinum90%10%HighestThose needing ongoing chronic care or expensive medications.

2026 Premium Tax Credit Rules

For 2026, the temporary expansion that allowed Premium Tax Credits above 400% of the federal poverty line has ended. In general, the household-income range is again 100% to 400% of the FPL for the family size, subject to the other eligibility requirements.

Income alone does not determine the credit. You may be ineligible if you have access to affordable employer coverage that provides minimum value or qualify for Medicare, Medicaid, CHIP, or another disqualifying government program. For 2026, employer-plan affordability is generally based on whether the applicable employee premium is below 9.96% of household income.

COBRA Rights vs. ACA Special Enrollment (Job Loss)

When an H-1B, L-1, or green card holder experiences employment termination, they have two distinct healthcare options:

  • COBRA Continuation (29 U.S.C. § 1161): If the employment event is a COBRA qualifying event, continuation coverage generally lets you keep the same group plan for up to 18 months. The plan may generally charge up to 102% of the applicable cost. Federal COBRA generally gives you 60 days to elect coverage, measured from the later of the coverage-loss date or the election-notice date.
  • ACA Special Enrollment Period (SEP): Loss of qualifying employer coverage generally creates a Special Enrollment Period, usually allowing enrollment during the applicable 60-day window. Eligibility for Premium Tax Credits depends on household income and other requirements; a Marketplace plan is not automatically cheaper than COBRA for every household.
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Frequently Asked Questions

For 2026, the temporary rule allowing Premium Tax Credits above 400% of the federal poverty line ended. The general income range is again 100% to 400% of the FPL, subject to the other PTC eligibility requirements.

You generally have 60 days to elect COBRA, beginning on the later of the date coverage ends or the date the COBRA election notice is provided. If elected, COBRA coverage is generally retroactive to the date coverage was lost, subject to the plan's rules.

Yes. Lawfully present immigrants, including people with valid nonimmigrant visas and lawful permanent residents, may qualify for Marketplace coverage. Premium Tax Credit eligibility in 2026 generally requires household income of at least 100% and no more than 400% of the federal poverty line for the family size, plus other requirements such as Marketplace enrollment, not being eligible for affordable minimum-value employer coverage or specified government coverage, and satisfying the applicable tax-filing rules.

For the federal Marketplace, Open Enrollment generally runs from November 1 through January 15. Enrolling by December 15 generally gives January 1 coverage; enrolling December 16 through January 15 generally gives February 1 coverage. Outside Open Enrollment, you generally need a Special Enrollment Period or another qualifying pathway such as Medicaid or CHIP. State-based Marketplaces can have different dates.

Federal COBRA generally allows eligible employees, spouses, and dependent children to continue the same group health-plan coverage for up to 18 months after certain qualifying events, including termination of employment other than for gross misconduct or a reduction in hours that causes loss of coverage. Qualified beneficiaries generally may be charged up to 102% of the applicable plan cost.

Marketplace metal tiers describe actuarial value—the share of covered medical costs the plan is designed to pay for a standard population: Bronze 60%, Silver 70%, Gold 80%, and Platinum 90%. Actual premiums, deductibles, and out-of-pocket costs vary by plan and market. Cost-Sharing Reductions are available to eligible Silver-plan enrollees meeting the applicable income and other requirements; the metal level itself is not a measure of care quality.

Under the ACA, non-grandfathered individual and small-group health plans generally must cover the 10 Essential Health Benefit categories and may not impose annual or lifetime dollar limits on EHBs. The categories include ambulatory patient services, emergency services, hospitalization, maternity and newborn care, mental health and substance use disorder services, prescription drugs, rehabilitative and habilitative services/devices, laboratory services, preventive/wellness services and chronic disease management, and pediatric services including oral and vision care.

Generally, no. USCIS's current public-charge guidance lists Affordable Care Act Marketplace health insurance and Premium Tax Credit/Advance Premium Tax Credit assistance among benefits it does not consider under the public-charge ground of inadmissibility. Public-charge rules still depend on whether the particular applicant is subject to that ground and the applicable totality-of-the-circumstances analysis.
Official Statutory References & Authorities

• Centers for Medicare & Medicaid Services (CMS): HealthCare.gov Official ACA Marketplace Portal
• U.S. Department of Labor (EBSA): DOL COBRA Employee Health Protection Guidelines
• U.S. Citizenship and Immigration Services: USCIS Public Charge Guidance on Health Insurance Benefits (8 CFR § 212.21)