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A certificate of coverage is the document an insurance carrier issues describing what a group plan covers, who is eligible, and how claims and appeals work. It serves as an individual's proof of enrollment under the employer's master policy and defines the plan's actual contractual terms.
In a fully insured group health, dental, life, or disability plan, the employer holds the master policy and each covered employee receives a certificate, sometimes called an evidence of coverage or certificate booklet. It sets out covered services, exclusions and limitations, cost sharing, eligibility and termination rules, and the claims and appeals procedure. For ERISA purposes, the certificate is often wrapped together with a summary plan description so the combined document satisfies the disclosure requirements set out in the DOL reporting and disclosure guide, since the certificate alone rarely contains all the ERISA-required content.
The term has two other common uses worth separating. Before the Affordable Care Act eliminated preexisting condition exclusions, plans issued HIPAA certificates of creditable coverage proving prior coverage, and those are no longer required. In international payroll, a certificate of coverage issued under a Social Security totalization agreement exempts an employee working abroad from paying into two countries' social insurance systems at once.
The practical mistake is relying on a benefits summary or enrollment guide when a coverage question turns contentious. Marketing summaries are not the contract. When an employee disputes a denial, pull the certificate, because its precise language on medical necessity, network rules, or a disability definition governs, and it is what an appeal or an outside review will be decided against.
No. The certificate is the insurance document describing covered services, exclusions, cost sharing, and appeals. The summary plan description is the ERISA disclosure document. Because a certificate alone rarely contains all required ERISA content, plans often wrap the two together so the combined document satisfies the disclosure rules.
The carrier issues it under the master policy the employer holds, and each covered employee receives one, sometimes called an evidence of coverage or certificate booklet. Employers should keep current copies for every insured line, since the carrier language, not a benefits summary, controls a disputed claim.
It is a different document with the same name. Issued under a Social Security totalization agreement, it keeps an employee working abroad from paying into two countries' social insurance systems at once. Keep it with the assignment file, since foreign authorities may ask to see it.