Quest Diagnostics

Quest Diagnostics is a prominent healthcare diagnostics company that specializes in providing clinical laboratory services, advanced molecular and genetic testing, and healthcare data analytics. The company primarily generates its revenue from various types of diagnostic testing, including anatomic pathology, esoteric testing, and substance abuse testing, with over 95% of its income derived from these services. Specimens are collected at its extensive network of approximately 2,300 patient service centers, as well as through numerous doctors' offices and hospitals across the United States. In addition to its core testing services, Quest Diagnostics offers a smaller segment focused on diagnostic solutions that encompasses clinical trials testing, risk assessment services, and information technology solutions, all aimed at enhancing health outcomes through diagnostic insights and innovative testing methodologies.

Ruth Clements

Vice President and General Manager, East Region

Mark Gardner

Senior Vice President

42 past transactions

OhioHealth

Acquisition in 2024
OhioHealth, based in Columbus, Ohio, is a not-for-profit healthcare organization affiliated with the United Methodist Church. Established in 1891, it serves over four million residents across 47 counties in Ohio through a comprehensive network that includes 11 hospitals, more than 200 ambulatory sites, and various home health and hospice services. OhioHealth is committed to addressing the physical, emotional, and spiritual needs of its patients, emphasizing compassion as a critical element of healing. The organization has received national recognition for its quality of care, being named one of the top five large health systems in America multiple times and earning accolades for its workplace culture over the years. With a workforce of approximately 29,000 associates, physicians, and volunteers, OhioHealth continues to prioritize patient service and community outreach.

PreciseDx

Series B in 2024
PreciseDx is a company specializing in cancer risk stratification by providing patient-specific risk assessments through the analysis of morphological features. Utilizing artificial intelligence and its proprietary Morphology Feature Array™, PreciseDx develops disease-specific assays that offer detailed insights into each patient's risk profile and potential outcomes, thereby enhancing treatment decision-making. The company combines its clinical, regulatory, and translational research expertise to advance technologies in areas such as clinical modeling, patient phenotyping, and image analysis, ultimately aiming to improve patient outcomes and quality of life in the realm of cancer and other diseases.

Universal Diagnostics DX

Series B in 2024
Universal Diagnostics, S.L. is a biomedicine company based in Seville, Spain, with an additional office in San Francisco, California. Founded in 2012, the company focuses on developing blood-based tests for the early detection of various cancers, including colorectal, lung, liver, pancreatic, and gastric cancers. Its diagnostic platform utilizes proprietary methylation marker panels, allowing for minimally invasive testing that can be performed using standard laboratory equipment. The first test developed by Universal Diagnostics is aimed at colorectal cancer screening, identifying individuals who may require further examination through colonoscopy. The company emphasizes the importance of early detection, as this can significantly improve treatment options and survival rates. To advance its research and development efforts, Universal Diagnostics collaborates with international research institutions, hospitals, universities, and biobanks worldwide.

PathAI

Acquisition in 2024
PathAI, Inc. is a technology company that specializes in developing artificial intelligence solutions for pathology laboratories. Founded in 2016 and headquartered in Boston, Massachusetts, with an additional office in Austin, Texas, PathAI focuses on enhancing the accuracy and efficiency of cancer diagnosis and treatment. The company's platform employs machine and deep learning techniques to analyze large datasets, assisting pathologists in making rapid and precise diagnoses for patients. By addressing complex challenges in pathology, PathAI aims to facilitate personalized medicine and improve patient outcomes by identifying individuals who may benefit from innovative therapies.

Freenome

Series E in 2024
Freenome, Inc. is an artificial intelligence genomics biotech company based in South San Francisco, California, founded in 2014. The company focuses on developing accurate, accessible, and non-invasive blood tests for the early detection of cancer and treatment selection. Utilizing a proprietary multi-omics platform, Freenome employs advanced algorithms to analyze cell-free genomic data, which aids in identifying early-stage cancers and other diseases. This innovative approach aims to transform disease management by enabling timely interventions and proactive treatment strategies. In addition to its diagnostic solutions, Freenome also offers clinical research services to further advance cancer detection and management.

Universal Diagnostics DX

Series B in 2023
Universal Diagnostics, S.L. is a biomedicine company based in Seville, Spain, with an additional office in San Francisco, California. Founded in 2012, the company focuses on developing blood-based tests for the early detection of various cancers, including colorectal, lung, liver, pancreatic, and gastric cancers. Its diagnostic platform utilizes proprietary methylation marker panels, allowing for minimally invasive testing that can be performed using standard laboratory equipment. The first test developed by Universal Diagnostics is aimed at colorectal cancer screening, identifying individuals who may require further examination through colonoscopy. The company emphasizes the importance of early detection, as this can significantly improve treatment options and survival rates. To advance its research and development efforts, Universal Diagnostics collaborates with international research institutions, hospitals, universities, and biobanks worldwide.

Haystack Oncology

Acquisition in 2023
Haystack Oncology is an oncology company that specializes in liquid biopsy diagnostic technology aimed at improving cancer treatment strategies and patient outcomes. By utilizing advanced circulating tumor DNA detection methods, the company enhances the diagnosis of minimal residual disease, allowing for more informed therapy decision-making. Their technology focuses on identifying tumor-specific markers through blood samples, which facilitates the early detection of recurrent disease and offers increased sensitivity in monitoring residual disease post-treatment. This innovation enables healthcare teams to access cutting-edge liquid biopsy tools, thereby transforming the management of cancer and significantly improving patient care.

Northern Light Health

Acquisition in 2023
Northern Light Health is an integrated healthcare system that delivers a wide range of services to residents across Maine, from Portland to Presque Isle and from Blue Hill to Greenville. The organization operates a single physician-led medical group, eight nursing homes, and 37 primary care locations. Additionally, it offers long-term care beds and emergency transport services. By providing advanced and secure treatment options, Northern Light Health aims to enhance patient care and health outcomes in the communities it serves.

ConferMED

Grant in 2022
Developed by practicing providers, ConferMED is a national network of specialists providing eConsults and other telehealth services to providers across the country. ConferMED provides high-quality, specialty eConsults, within days of the request through seamlessly integrating into a primary care practice’s existing specialty referral process.

Bread of Life

Debt Financing in 2022
Bread of Life is a non-profit organization that supports underserved communities by providing care programs. BOL is eradicating food insecurity while enhancing health outcomes and meeting the basic needs of people. Additionally, BOL helps families create health goals and an action plan.

LabCare PLUS

Acquisition in 2022
LabCare PLUS is a fully accredited clinical laboratory that provides high-quality laboratory service.

ConferMED

Grant in 2022
Developed by practicing providers, ConferMED is a national network of specialists providing eConsults and other telehealth services to providers across the country. ConferMED provides high-quality, specialty eConsults, within days of the request through seamlessly integrating into a primary care practice’s existing specialty referral process.

Pack Health

Acquisition in 2022
Pack Health, LLC is a healthcare company based in Birmingham, Alabama, that specializes in providing online healthcare advisory services aimed at improving the lives of individuals with chronic conditions. Founded in 2013, it connects users with personal health advisors who offer tailored support and resources to help manage various health issues, including asthma, diabetes, rheumatoid arthritis, and cancer. The company focuses on enhancing self-management skills, providing tools, motivation, and accountability to its members. Through convenient communication channels such as phone, email, and text, Pack Health ensures that users receive personalized assistance that addresses their unique needs. By fostering a supportive environment, Pack Health empowers patients to take control of their health and achieve better outcomes.

Labtech Diagnostics

Acquisition in 2021
Labtech Diagnostics offers a range of clinical diagnostic laboratory services to patients, physicians, and healthcare providers. The company specializes in various fields, including immunology, hematology, coagulation, clinical chemistry, allergy testing, blood banking, microbiology, infectious diseases, serology, and toxicology. By providing convenient access to scientific results from draw sites, Labtech Diagnostics aims to enhance the diagnostic experience for both patients and healthcare professionals.

Mercy - Outreach Laboratory Services

Acquisition in 2021
The Mercy outreach lab services business currently operates from 29 hospital laboratories and two independent clinic laboratories serving providers and patients in Arkansas, Kansas, Missouri and Oklahoma.

MACL

Acquisition in 2020
MACL is a joint venture among Quest, Ascension St. Vincent and Community Health Network that includes 50 patient service centers throughout the state.

Blueprint Genetics

Acquisition in 2020
Blueprint Genetics Oy specializes in clinical genetics testing and diagnostics for rare hereditary diseases using advanced next-generation sequencing (NGS) technology. Founded in 2012 and headquartered in Helsinki, Finland, the company offers a range of services, including tailored sequencing projects and bioinformatics platforms designed to meet specific needs of hospitals and research groups. Blueprint Genetics aims to make genetic diagnostics more accessible by reducing costs while enhancing quality and providing clinical insights in test results. Its product offerings include comprehensive diagnostics for various inherited disorders, including cardiovascular diseases, cancer, and metabolic conditions. The company also maintains an office in Los Angeles, California, and operates as a subsidiary of Quest Diagnostics Incorporated.

PhenoPath Laboratories

Acquisition in 2018
PhenoPath Laboratories, founded in 1998 and based in Seattle, Washington, is a physician-owned national pathology reference laboratory specializing in anatomic pathology and molecular oncology services. The laboratory, established by Dr. Allen M. Gown, a leading expert in immunohistochemistry, provides a range of diagnostic and prognostic testing services. Utilizing advanced technologies such as immunohistochemistry (IHC), fluorescence in situ hybridization (FISH), chromogenic in situ hybridization (CISH), flow cytometry, polymerase chain reaction (PCR), and cytogenetics, PhenoPath serves a diverse clientele, including hospitals, physician offices, surgery centers, biopharmaceutical companies, and research institutions across the nation. As of September 2018, PhenoPath operates as a subsidiary of AmeriPath, Inc.

ReproSource

Acquisition in 2018
ReproSource, Inc. is a reference laboratory specializing in infertility diagnostics, based in Woburn, Massachusetts. Established in 2008, the company offers a comprehensive range of testing services, including both esoteric and routine assessments, tailored for in vitro fertilization (IVF) and assisted reproductive technologies (ART) specialists, urologists, and obstetricians and gynecologists. ReproSource focuses on advanced diagnostics, such as genetics-based evaluations of ovarian health and assessments for recurrent pregnancy loss, to assist patients in overcoming fertility challenges. The company also conducts clinical validation studies aimed at advancing current and future fertility diagnostics. As of September 2018, ReproSource operates as a subsidiary of Quest Diagnostics Incorporated.

SomaLogic

Private Equity Round in 2018
SomaLogic, Inc. is a commercial-stage company based in Boulder, Colorado, specializing in protein biomarker discovery and clinical diagnostics. Founded in 1999, the company has developed advanced technologies such as SOMAmers, slow off-rate modified aptamers that specifically bind to target proteins, and the SOMAscan platform, which facilitates comprehensive protein measurement. This innovative approach allows for the analysis of protein biomarker signatures, significantly enhancing the understanding of health and disease beyond traditional genomic methods. SomaLogic's products are utilized in a variety of applications, including diagnostics for conditions in oncology, neurology, and cardiovascular and metabolic diseases, as well as in drug discovery and development. The company also offers diagnostic tests and protein measurement solutions for life science and biopharma researchers, contributing to advancements in medical science.

California Laboratory Associates

Acquisition in 2017
California Laboratory Associates, a clinical lab network serving patients and providers.

Cleveland HeartLab

Acquisition in 2017
Cleveland HeartLab, Inc. is a specialty clinical laboratory dedicated to the prevention and management of cardiovascular disease (CVD). The company specializes in novel biomarker technologies and develops proprietary diagnostic tests aimed at improving the early identification of individuals at risk for CVD. Cleveland HeartLab offers a range of clinical laboratory services, including an inflammatory panel for CVD, advanced CVD risk profiles, and lipid panels. By focusing on innovative molecular biomarker technologies, the company seeks to enhance the management and reduction of inflammation, ultimately contributing to better cardiovascular health outcomes.

ClearPoint Diagnostic

Acquisition in 2017
ClearPoint Diagnostic Laboratories, LLC, based in Lewisville, Texas, offers a range of laboratory services to physicians, including routine, STAT, anatomic, and reference tests. The company collaborates with Pathologists Bio-Medical Laboratories and med fusion to enhance its testing capabilities. ClearPoint focuses on optimizing patient care by providing fast turnaround times, improved specimen preservation, and tracking protocols. Its integrated information systems ensure the delivery of highly accurate and detailed reports, which support physicians in making informed decisions for their patients. ClearPoint operates as a subsidiary of Quest Diagnostics Incorporated.

Med Fusion

Acquisition in 2017
Med Fusion LLC, based in Lewisville, Texas, offers comprehensive laboratory and clinical trial services to healthcare providers and biopharmaceutical companies. Founded in 2010, the company specializes in various clinical laboratory services, including biochemistry, immunology, molecular diagnostics, and toxicology. Additionally, Med Fusion provides clinical trial management services, which encompass study feasibility, patient recruitment, data management, and regulatory compliance for pharmaceutical and biotech studies across multiple disease areas. The company aims to enhance the delivery of these services through a patient-centric model that integrates laboratory and clinical trial functions, ultimately transforming expectations within the healthcare community. Med Fusion has formed a strategic partnership with Roche to advance its capabilities in cytomegalovirus (CMV) assays. As of July 2017, it operates as a subsidiary of Quest Diagnostics Incorporated.

Lemonaid Health

Series A in 2017
Lemonaid Health is an online telemedicine platform founded in 2013 and headquartered in San Francisco, California. The company aims to enhance the patient experience and optimize clinical care by utilizing advancements in machine learning and artificial intelligence. By collecting details about medical history, symptoms, current medications, and allergies, Lemonaid Health employs evidence-based guidelines to provide patients with prescriptions. This approach allows users to access quality healthcare services at a price point lower than typical co-pays, making healthcare more affordable and accessible.

PeaceHealth Laboratories

Acquisition in 2017
PeaceHealth Laboratories offers a range of medical laboratory services to physicians, hospitals, and healthcare organizations. Operating primarily in the Pacific Northwest, the company provides essential services including drug testing and clinical testing. Additionally, PeaceHealth Laboratories offers specialized testing solutions for both clinicians and employers across the United States. By delivering reliable and accurate laboratory services, the organization supports the healthcare needs of its clients and contributes to effective patient care.

Clinical Laboratory Partners

Acquisition in 2016
Clinical Laboratory Partners, LLC was created in 1998 through a merger of three Connecticut based laboratories.

Summit Health

Acquisition in 2014
Summit Health is an independent multispecialty healthcare provider that offers a comprehensive range of medical services. It operates walk-in urgent care centers and provides care in various specialties, including internal medicine, orthopaedics, sports medicine, family medicine, dermatology, and oncology. Summit Health aims to enhance patient care by fostering connections and delivering multigenerational services tailored to individual needs. The organization also emphasizes customer satisfaction through customized programs managed by dedicated program managers who guide clients from conception to execution. By minimizing the time and effort required from patients, Summit Health seeks to reshape healthcare delivery and improve overall health outcomes.

Solstas Lab Partners

Acquisition in 2014
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ConVerge Diagnostic Services

Acquisition in 2013
ConVerge Diagnostic Services is a prominent full-service laboratory located in New England, specializing in a wide range of clinical testing services. The company offers various laboratory services, including general lab testing, cytology, histology, surgical pathology, and flow cytometry. Additionally, ConVerge provides specialized testing for women's health and health services tailored for colleges and universities. With a commitment to delivering advanced laboratory testing, ConVerge serves patients, physicians, and hospitals, ensuring high-quality diagnostic solutions to meet diverse healthcare needs.

UMass Memorial Medical Center - Anatomic Pathology Outreach Laboratory Business

Acquisition in 2013
UMass Memorial Medical Center, Inc. comprises clinical outreach laboratory and is located in Worcester, Massachusetts.

Athena Diagnostics

Acquisition in 2011
Athena Diagnostics is a reference laboratory focused on the development and commercialization of diagnostic testing specifically for neurological disorders. The company specializes in proprietary molecular and immunodiagnostic tests, offering advanced diagnostic assays for a range of conditions, including peripheral nerve disorders, neurogenetic disorders, Alzheimer's disease, paraneoplastic syndromes, movement disorders, neuromuscular disorders, and ataxia. By utilizing innovative technologies, Athena Diagnostics aims to provide neurologists and other healthcare professionals with accurate diagnostic answers, thereby enhancing the quality of care for patients while maintaining cost-effectiveness.

Celera

Acquisition in 2011
Celera is a healthcare company focused on enhancing disease management through personalized testing and services. It develops and manufactures molecular diagnostic products that enable hospitals and clinical laboratories to detect, characterize, monitor, and select appropriate treatments for various diseases. The company has established a distribution agreement with Abbott, which facilitates the development and commercialization of a diverse range of molecular diagnostic products. Through its offerings, Celera aims to improve patient outcomes by leveraging insights into human variability in the context of medical diagnostics.

Ameripath

Acquisition in 2007
AmeriPath, Inc. is a prominent national provider of anatomic pathology, dermatopathology, and molecular diagnostic services, headquartered in Palm Beach Gardens, Florida. The company serves a diverse clientele that includes physicians, hospitals, clinical laboratories, and surgery centers throughout the United States. AmeriPath specializes in a comprehensive array of testing and information services that support healthcare professionals in the detection, diagnosis, evaluation, and treatment of cancer and other medical conditions. Its focus on advanced diagnostics and genomic services positions AmeriPath as a critical partner in enhancing patient care and outcomes.

HemoCue

Acquisition in 2007
HemoCue AB specializes in the development and production of medical diagnostic products aimed at point-of-care testing. The company offers innovative microcuvette diagnostic systems that provide lab-quality results for essential blood and urine tests, including measurements of hemoglobin, glucose, white blood cell count, and urine albumin. These tests are crucial for managing conditions such as anemia, malnutrition, diabetes, and infections. By enabling healthcare institutions to perform accurate and timely diagnostics at the point of care, HemoCue enhances the ability to monitor, detect, and evaluate various health conditions effectively. The company's focus on efficiency ensures that these vital tests can be conducted easily and quickly, making them accessible to a broader range of healthcare providers.

Focus Diagnostics

Acquisition in 2006
Focus Diagnostics, Inc. is a manufacturer and distributor of molecular and immunology products aimed at hospitals and commercial laboratories globally. The company offers a range of diagnostic tools, including Simplexa™ molecular chemistries, HerpeSelect® type-specific serology, and DxSelect™ IFA and ELISA kits, which are designed to assist in the diagnosis of various diseases such as West Nile Virus, Rickettsia, and Legionella. In 2009, Focus Diagnostics entered into an exclusive global distribution agreement with 3M, which facilitated the introduction of the 3M Integrated Cycler and Simplexa™ molecular chemistries into the market. The organization emphasizes quality manufacturing practices and flexible solutions to meet the diverse needs of laboratories.

LabOne

Acquisition in 2005
LabOne is a fully accredited provider of medical laboratory services, specializing in health risk assessment, diagnostic healthcare testing, and drug testing. The company serves a diverse clientele, including physicians, hospitals, managed care organizations, employers, and the insurance industry. In addition to its laboratory services, LabOne is also a manufacturer of precision injection moldings, insert moldings, and metal pressings, along with various assemblies. This dual focus on medical services and manufacturing enables LabOne to maintain a robust presence in both the healthcare and industrial sectors.

Unilab Corporation

Acquisition in 2002
Uilab is the largest independent clinical laboratory testing company in California and one of the largest in the nation. They provide efficient and competitively-priced laboratory testing services to physicians, managed care groups, hospitals and other healthcare providers. They offer over 1,000 different tests which help physicians diagnose, evaluate, monitor and treat disease by measuring the presence, concentrations or composition of chemical and cellular components in human body fluids and tissue. These tests range from routine tests, such as glucose monitoring and complete blood count, to highly specialized tests, such as those designed to measure HIV infection and hepatitis C. In 2000, they performed approximately 30 million tests. They believe that their revenues in 2000 represented approximately 25% of the California independent clinical laboratory testing market and approximately twice the annual sales of the next largest independent clinical laboratory in California.

American Medical Laboratories

Acquisition in 2002
Provides laboratory and diagnostic testing services to managed care organizations, hospitals, regional reference laboratories.

MedPlus

Acquisition in 2001
MedPlus, Inc. develops, distributes, and integrates web based clinical connectivity and healthcare information exchange solutions.

Quest Diagnostics Clinical Laboratories

Acquisition in 1997
Quest Diagnostics Clinical Laboratories, Inc. offers diagnostic testing services for physicians, hospitals, managed-care organizations.

Lancet Labs

Acquisition in 1978
Lancet Labs provides vital diagnostic and monitoring of pathology services. It operates in the private healthcare environment and offers specialist pathology services for the corporate, insurance, and mining sectors and offers an extensive range of pathology services, from sophisticated molecular and cytogenetic investigations to advanced chemical analyses. Jack Mattice, Charlie Dexter, and James Root founded Lancet Labs in Portland, Oregon.
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