Primary plan

Primary plan means, when used in the context in which Medicare is the secondary payer, a group health plan or large group health plan, a workers' compensation law or plan, an automobile or liability insurance policy or plan (including a self-insured plan), or no-fault insurance.

Source

42 CFR § 411.21

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Scoping language

In this subpart B and in subparts C through H of this part, unless the context indicates otherwise

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