Dependent coverage means the policy can protect spouses, children, or other qualifying dependents under the same policy account, with limits that may differ by age and coverage tier.
In health plans, this affects risk aggregation. A younger spouse may be low-cost, while an older dependent may increase expected medical claims, so eligibility and age limits are central to premium rating.
Claims logic
The policy may deny dependent-related claims when proof of dependency is missing or coverage is terminated. Carriers typically require proof of relationship, status updates, and proof of residence.
Practical example
An employee with two young children may move into full dependent coverage during the plan year; the carrier only allows a new-dependent enrollment during open enrollment unless a qualifying life event is documented.