Vencor Hospitals v. Blue Cross Blue Shield

TJOFLAT, Circuit Judge:

This case hinges on the interpretation of certain terms in an insurance contract. Because we are uncertain exactly which documents comprise the contract, we remand the case for further proceedings in the district court.

I

Medicare Part A, part of the federally-provided health care insurance program for older adults, pays for up to ninety days per benefit period 1 of medically necessary inpatient hospital care. If a patient requires more than ninety days of hospitalization during a benefit period, he may use some of his sixty “lifetime reserve days” (which, as the name…