Which special savings medical plan combines high-deductible coverage with a savings account in which contributions are made by the plan participant, and funds roll over from year to year?

Health saving account.

Explanation:

The healthy policy has been started by the government and private sectors that provide health benefits to the people. The health expenses tax needs to be submitted by the common people.

Health saving account is opened for the individuals that pays heavy tax in the United States that pay heavy tax related to the health documents.  The funds present in account and be rolled for the years to years. The proper document of medical expenses must be presented to avail the benefit of health saving account.

Thus, the answer is health saving account.

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answer; the national uniform billing committee(nubc);