Part A Blood Deductible

20.5.1 - Part A Blood Deductible (Rev. 1, 09-11-02) Blood must be furnished on a Medicare covered day in a hospital or SNF to be counted under Part A. Blood furnished to an inpatient after benefits exhausted or before entitlement is not counted toward the combined deductible. Blood furnished during a lifetime extension election period is counted toward the combined A/B 3 pint total.