This is a solicitation for a five-year Blanket Purchase Agreement (BPA) to provide specialized molecular testing for heart and kidney transplant biopsies exclusively for the Salt Lake City VA Health Care System. The scope requires the use of the specific Molecular Microscope Diagnostic System (MMDx) and pricing must be per test, with heart and kidney assays priced separately. The estimated total quantity over the life of the BPA is 100 of each test type, with an annual estimated quantity of 20 of each. The period of performance for the first ordering period is from March 1, 2026, to February 28, 2027. Testing must be performed at a single, domestic CLIA-certified laboratory accredited by the College of American Pathologists.