Health insurance coverage under any of the following: a group health plan; individual health insurance; student health insurance; Medicare; Medicaid; CHAMPUS and TRICARE; the Federal Employees Health Benefits Program; Indian Health Service; the Peace Corps; Public Health Plan (any plan established or maintained by a State, the U.S. government, a foreign country); Children’s Health Insurance Program (CHIP); or, a state health insurance high risk pool. If you have prior creditable coverage, it will reduce the length of a pre-existing condition exclusion period under new job-based coverage.