COBRA Continuation After Leaving a Job

COBRA continuation coverage allows employees and their dependents to maintain group health insurance after a qualifying event — such as job loss, reduced hours, or another change — that would otherwise end that coverage. Governed by federal law, this protection applies to most employer-sponsored plans at companies with 20 or more employees. Understanding the cost structure, eligibility windows, and available alternatives is essential for avoiding an unintended gap in coverage.

Definition and scope

The Consolidated Omnibus Budget Reconciliation Act of 1985 (COBRA) (29 U.S.C. §§ 1161–1168) requires group health plans sponsored by private-sector employers with 20 or more employees, and state or local government employers, to offer continuation coverage to qualified beneficiaries who lose coverage due to specific qualifying events. Federal employees are covered by a parallel statute, the Federal Employees Health Benefits Act, not COBRA itself.

A "qualified beneficiary" includes:

The covered employee
The employee's spouse or domestic partner (where covered under the plan)
Dependent children who were covered on the day before the qualifying event

Federal COBRA applies to fully insured and self-funded group health plans. For employers with fewer than 20 employees, 40 states have enacted "mini-COBRA" statutes that impose similar continuation requirements under state law, though the durations and cost rules vary by state (NAIC State Mini-COBRA Survey). The how-the-health-insurance-marketplace-works page covers alternative coverage pathways if COBRA falls outside eligibility parameters.

How it works

When a qualifying event occurs, the employer must notify the plan administrator within 30 days. The administrator then has 14 days to send a COBRA election notice to each qualified beneficiary. Beneficiaries have 60 days from the date of the notice (or the date coverage ends, whichever is later) to elect COBRA (U.S. Department of Labor, COBRA FAQs).

Cost is the defining practical constraint. The enrollee pays the full premium — the portion previously paid by the employer plus the portion previously paid by the employee — plus an administrative fee of up to 2 percent. This means COBRA premiums frequently exceed $700 per month for individual coverage and $2,000 or more per month for family coverage in employer markets where the employer previously subsidized the majority of the cost. The how-health-insurance-premiums-are-calculated page explains the underlying actuarial mechanics.

Duration depends on the qualifying event:

Job loss (voluntary or involuntary, except for gross misconduct) or reduction in hours: up to 18 months
Death of the covered employee, divorce or legal separation, or Medicare entitlement: up to 36 months for dependents
Loss of dependent child status under plan rules: up to 36 months

A second qualifying event during an initial 18-month COBRA period can extend coverage to 36 months for affected dependents. Disability, as determined by the Social Security Administration within 60 days of the qualifying event, can extend an 18-month period to 29 months for all qualified beneficiaries.

Payments are retroactive: if a beneficiary elects COBRA and pays back-premiums within the 45-day deadline, coverage is treated as continuous from the date it would otherwise have lapsed.

Common scenarios

Voluntary resignation. An employee who quits is eligible for COBRA so long as the departure does not constitute gross misconduct. Coverage continues on the same terms as the prior group plan.

Layoff or reduction to part-time. Involuntary job loss and a reduction in hours below eligibility thresholds are both qualifying events. This scenario is the most common trigger. Understanding the type of plan involved matters here — HMO Authority covers how health maintenance organization structures affect which providers remain in-network during a COBRA continuation period, a critical factor when a recently unemployed individual may be mid-treatment with a specific specialist.

Divorce or legal separation. The non-employee spouse loses coverage upon a final divorce decree and may elect COBRA for up to 36 months. The employee's own COBRA eligibility is separate.

Dependent aging out. Under the ACA, group plans must cover dependents to age 26 (42 U.S.C. § 300gg-14). When a dependent turns 26 and loses parent-sponsored coverage, COBRA continuation for up to 36 months applies.

HDHP plan holders. Employees previously enrolled in a high-deductible health plan who continue that same plan under COBRA retain HSA eligibility, provided they have no disqualifying coverage. HDHP Authority details how HSA contribution rules interact with COBRA enrollment, including the partial-year proration rules that affect contribution limits when HDHP coverage begins mid-year.

EPO plan holders. EPO networks offer no out-of-network coverage except in emergencies. For individuals who elect COBRA on an EPO plan and then relocate, this restriction becomes immediately consequential. EPO Authority covers how exclusive provider organization networks are structured and what happens to coverage when a policyholder moves outside the network service area — a scenario that frequently arises after a job-related relocation.

Decision boundaries

The primary decision framework compares COBRA against three alternatives: Marketplace coverage, Medicaid, and a new employer's group plan.

COBRA vs. Marketplace plan. Losing employer-sponsored coverage is a Special Enrollment Event, giving the individual 60 days to enroll in a Marketplace plan (healthcare.gov, Special Enrollment Periods). Marketplace plans may carry premium tax credits that COBRA does not. An individual earning 150 percent of the federal poverty level could qualify for a plan with a $0 net premium after credits, versus $700 or more per month for COBRA. The national health insurance authority home page provides a structured entry point for navigating these parallel pathways.

COBRA vs. Medicaid. Individuals whose income drops below 138 percent of the federal poverty level (in states that have expanded Medicaid) may qualify for Medicaid with zero premium. COBRA would be the more expensive option in this scenario by a significant margin.

COBRA vs. new employer coverage. If a new job begins within the 60-day COBRA election window, enrolling in the new employer's plan and foregoing COBRA is often the lower-cost path. However, if the new plan's start date is delayed — some employers impose a 30- or 90-day waiting period — COBRA can cover the interim gap and be cancelled retroactively without incurring unnecessary premium costs if no claims are filed.

The choosing-health-insurance-a-decision-framework page provides a structured comparison methodology applicable to this decision, including how to account for network continuity, deductible timing, and total out-of-pocket exposure when switching plans mid-year.

References

The law belongs to the people. Georgia v. Public.Resource.Org, 590 U.S. (2020)