The Indian Health Service, specifically the Phoenix Area Office, is seeking qualified firms to provide diagnostic reference laboratory testing services, focusing on non-emergent cancer and infectious disease testing. The contractor will be responsible for off-site testing, including cellular and molecular analysis, with a requirement for a comprehensive test catalog, quick turnaround times, and secure result disclosure. This opportunity is crucial for ensuring timely and accurate diagnostic services for the Phoenix Indian Medical Center, with the contract expected to span a base year and four one-year options. Interested firms must submit a capability statement to Dale C Clark at dale.clark@ihs.gov, as this is a sources sought notice and not a solicitation for quotes or pricing.