Excelsior Diagnostics

Excelsior Diagnostics is a private healthcare diagnostics company operating clinical laboratory and mobile testing services in the United States. Publicly available information indicates the company provides PCR-based molecular testing focused on infectious disease detection and antibiotic-resistance-related laboratory analysis, alongside employer and agency testing services such as on-site mobile testing and compliance-oriented screening. The company appears to operate through an active Florida legal entity and has also been associated with a Houston laboratory presence and the trade name Apex Molecular or Apex Molecular Labs. Based on the available evidence, it is a commercial-stage diagnostics services business rather than a therapeutic drug developer. There is no clear evidence of a drug pipeline, clinical-stage therapeutic assets, or public-market listing.