Insurance plan provision that allows access to health care so that an insured does not lose insurance coverage because of a change in health, employment, marriage, or divorce. Insurance benefits may be transferred from one employer to another or from an employer to a personal policy.
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UK: The ability of a pension scheme member to take his accrued pension entitlements with him from one job to another. This obviates the need to change policies and incurs only the minimum penalties.

Radiological procedure performed outside of a permanent location (e.g., patient’s home). It is done using portable radiological equipment by a licensed technician and under the general supervision of a physician.

System of accounting in insurance companies in which each policy owner receives a rate of interest equal to the average rate of interest earned on the entire insurance company’s investments in stocks, bonds, and real estate. Also called portfolio method.