This solicitation seeks one Antimicrobial Susceptibility Testing (AST) instrument for bloodstream infections, including maintenance, on a firm-fixed-price contract with a base year and four one-year option periods (base performance 9/30/2026–9/29/2027, with options through 9/28/2031). The contract will be awarded on an all-or-nothing basis, with evaluation based on technical capability and price. Delivery and acceptance are F.O.B. destination at the Jack C. Montgomery VAMC in Muskogee, Oklahoma. The procurement is unrestricted under NAICS 334516 (Analytical Laboratory Instrument Manufacturing). This is a combined synopsis/solicitation, and no separate written solicitation will be issued.