Why it matters
Without proper coordination, claims can be delayed, denied, or overpaid -- understanding which plan is primary helps avoid billing confusion when you have dual coverage.
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Coordination of Benefits
Coordination of benefits is the process insurers use to determine which plan pays first when a person is covered by more than one health plan at the same time.
Example
A child covered under both parents' employer health plans has coordination of benefits rules (often the "birthday rule") to determine which parent's plan pays first.
Common mistake
A common mistake is not telling either insurer about the other coverage -- both plans generally need to know about each other for claims to process correctly.
Quick comparison
| Topic | Coordination of Benefits |
|---|---|
| Coverage area | health |
| Best next step | Review how this term applies to your plan, state, timing, and coverage question. |
Questions about Coordination of Benefits
Why should I understand Coordination of Benefits before calling?
Understanding Coordination of Benefits helps you describe your question clearly, compare tradeoffs, and avoid focusing on only one number when a licensed review may need more context.
Can Coordination of Benefits change by plan or policy?
Coordination of Benefits can vary by carrier, plan type, state, network, timing, and policy language, so use this explanation as education rather than a personal coverage decision.
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Information on this site is educational and does not guarantee eligibility, enrollment, pricing, or availability. It is not a recommendation to buy any specific plan or policy.