The Indian Health Service (IHS) is seeking sources for a Blanket Purchase Agreement (BPA) for miscellaneous D-dimer test kits, aimed at fulfilling a government requirement within the Navajo Area Indian Health Service. This procurement is part of a market research initiative to identify potential suppliers capable of providing these in-vitro diagnostic substances, which are crucial for medical testing and patient care. Interested vendors must submit their qualifications, including company profiles and capability statements, by December 8, 2025, to William Lee at William.Lee@ihs.gov, with the subject line “SS-SRSU-26-0005.” Participation in this sources sought notice is voluntary, and the government will not assume any financial responsibility for costs incurred in response to this request.