Clinical medical laboratories are healthcare facilities that provide a wide range of laboratory procedures that help healthcare providers diagnose, treat, and manage patient health. These facilities may also be referred to as medical testing labs.
Clinical laboratories perform blood draws and tests on specimens collected from patients. They can be located within a hospital or outpatient clinic facility or be a free-standing location.
Data reports from the laboratories are entered into a laboratory information system (LIS) which is a platform that processes, manages, and stores the patients’ lab data. The LIS can send orders for analysis, receive test orders, check test quality, track orders and results, and send results to EHR systems for providers and patients to access.
Clinical lab technicians, those who collect and test patient samples, are a crucial part of the care team and help diagnose health conditions based on the test sample.
Diagnostic laboratory corporations, as well as medical device and medical supply companies, use data on these lab facilities to understand their competitive landscape or discover new markets.
Below, we’ve listed the top 20 clinical medical laboratories in the U.S. by procedure volume. The data is from the Definitive Healthcare PhysicianView and Atlas All-Payor Claims products for the calendar year 2023.
Fig. 1 Data is from the Definitive Healthcare PhysicianView and Atlas All-Payor Claims products for calendar year 2022. Claims data is sourced from multiple medical clearinghouses in the U.S. and is updated monthly. Accessed June 2024.
Unilab Corporation, headquartered in West Hills, California, was the top clinical medical laboratory by procedure volume in 2023 based on our data. This lab performed 8.13% of clinical laboratory procedures tracked.
In second place is Quest Diagnostics Incorporated. Quest Diagnostics in Clifton, New Jersey performed 5.83% of the lab procedures tracked in 2023.
Clinical Pathology Laboratories, Inc. was the third leading clinical medical laboratory in 2023 based on our data, performing 4.09% of the clinical lab procedures analyzed.
The list of these 20 clinical medical laboratories is representative of where testing is billed and does not include collection sites. While laboratory testing is not exclusively performed in these clinical medical laboratories, these labs are the most prevalent vendors for handling large volumes of testing procedures.
Some laboratory companies, such as Quest Diagnostics, Laboratory Corporation of America, and Unilab Corporation appear in this list multiple times with different locations due to different NPI numbers.
Read about how medical device and medical supply companies use data from the Definitive Healthcare platform to better segment and target their healthcare accounts.
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