A benefit program under Section 125 of the Internal Revenue Code that offers employees a choice between permissible taxable benefits, including cash, and nontaxable benefits such as life and health insurance, vacations, retirement plans and child care. Although a common core of benefits may be required, the employee can determine how his or her remaining benefit dollars are to be allocated for each type of benefit from the total amount promised by the employer. Sometimes employee contributions may be made for additional coverage. Gatekeeper - Under some health insurance arrangements, a gatekeeper is responsible for the administration of the patient's treatment; the gatekeeper coordinates and authorizes all medical services, laboratory studies, specialty referrals and hospitalizations.