Pathology labs are at the core of modern healthcare, providing critical diagnostic services that drive early disease detection, precision medicine, and effective treatment plans. The industry is evolving rapidly, with trends like automation, molecular diagnostics, and AI playing key roles in enhancing efficiency and accuracy. In this context, selecting the right lab partner is essential for healthcare providers aiming to deliver the best patient outcomes. Below are the top 10 pathology labs in the U.S. for 2025, recognized for their innovation, reliability, and industry leadership.
Location: Clifton, NJ
Services: Quest Diagnostics is a leader in clinical diagnostics, offering a wide range of tests including routine blood work, genetic screenings, molecular diagnostics, and infectious disease testing. Their Clifton lab is a state-of-the-art facility with advanced automation capable of processing over 300,000 tests per day. Quest is particularly known for its innovations in precision medicine and clinical trials support.
Laboratory Corporation of America (LabCorp)
Location: Multiple Locations (including San Diego, CA and Raritan, NJ)
Services: LabCorp offers a comprehensive array of services such as routine lab tests, molecular diagnostics, oncology testing, and genetic counseling. They are pioneers in genomic testing and personalized medicine, with significant contributions to clinical trials and drug development. LabCorp’s global reach and cutting-edge technologies make it a key player in the diagnostics industry.
Clinical Pathology Laboratories (CPL)
Location: Austin, TX
Services: CPL specializes in anatomic pathology with a strong focus on oncology, hematology, and molecular pathology. Their services include histology, cytology, and advanced molecular diagnostics, making them a vital resource for diagnosing complex conditions in the Southern U.S. CPL is part of the Sonic Healthcare network, further enhancing their capabilities and reach .
Location: Elmwood, NJ
Services: Bioreference is known for its expertise in oncology, genetics, and women’s health. They offer proprietary assays that support early disease detection and personalized treatment plans, particularly in precision medicine. Bioreference also plays a critical role in supporting clinical trials with their advanced diagnostic capabilities.
Location: Brooklyn, NY
Services: Empire City Laboratories provides a broad range of diagnostic services, including routine blood tests, microbiology, and molecular diagnostics. They are known for their efficiency and accuracy, serving the densely populated New York area with reliable and timely results.
Location: Denton, TX
Services: Specializing in rapid infectious disease diagnostics, Healthtrackrx has become a crucial partner for healthcare providers, particularly during public health crises like the COVID-19 pandemic. Their focus on speed and accuracy in PCR testing and other diagnostics is essential for managing time-sensitive diseases.
Location: Greensboro, NC
Services: Pathgroup Labs is a leading provider of anatomic pathology services, with a specialization in histology and cancer diagnostics. Their work is critical for accurate diagnosis and treatment planning, particularly in oncology, making them a trusted partner in the southeastern United States.
Location: Hicksville, NY
Services: Sunrise Medical Laboratories serves the tri-state area with a focus on clinical excellence. They offer a wide range of diagnostic services, including routine blood work, molecular diagnostics, and specialized testing. Their commitment to patient care has earned them a strong reputation in the region.
Location: San Diego, CA
Services: Millennium Health is a leader in drug testing and toxicology, providing critical services for clinical care and public safety, especially in the context of the opioid crisis. They offer a variety of proprietary toxicology tests that are widely used in healthcare and law enforcement.
