Quest Diagnostics Incorporated, a leading name in the medical laboratories industry, is headquartered in the United States. Founded in 1967, the company has established itself as a pivotal player in diagnostic testing and laboratory services, with a strong presence across major operational regions in North America.
Specialising in a wide array of diagnostic tests, including clinical laboratory services and anatomic pathology, Quest Diagnostics is renowned for its commitment to accuracy and innovation. The company’s unique integration of advanced technology and extensive test menu positions it as a trusted partner in healthcare.
With a robust market presence, Quest Diagnostics has achieved numerous milestones, including significant advancements in genetic testing and disease management solutions. Its dedication to improving patient outcomes and enhancing healthcare efficiency solidifies its status as a leader in the medical diagnostics field.
+25 vs industry average
Quest Diagnostics’s score of 48 is higher than 100% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Medical Laboratories has below-average carbon intensity
Industry performance
The Medical Laboratories industry has reduced its overall emissions by 17% since 2019
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Quest Diagnostics's reported carbon emissions
Quest Diagnostics, a US-based medical laboratory, reported total global emissions of approximately 677.9 million kg CO2e for 2024. This comprised approximately 103.1 million kg CO2e in Scope 1 emissions, approximately 72.8 million kg CO2e in Scope 2 emissions (market-based), and approximately 562.5 million kg CO2e in Scope 3 emissions. In 2023, Quest Diagnostics's total global emissions were approximately 745.0 million kg CO2e, with Scope 1 emissions at approximately 113.9 million kg CO2e, Scope 2 emissions at approximately 77.5 million kg CO2e (market-based), and Scope 3 emissions at approximately 631.0 million kg CO2e. The company has set near-term reduction targets, aiming to decrease both Scope 1 and Scope 2 emissions by 30% from 2021 levels by 2030. For 2022, Quest Diagnostics reported Scope 1 emissions of approximately 288.6 million kg CO2e and Scope 2 emissions of approximately 94.5 million kg CO2e (market-based). Scope 3 data was not fully disclosed for this year. In 2021, total global emissions were approximately 22.2 billion kg CO2e, with Scope 1 at approximately 238.9 million kg CO2e, Scope 2 at approximately 107.9 million kg CO2e (market-based), and Scope 3 at approximately 21.9 billion kg CO2e. Earlier data includes: * 2017: Scope 1 emissions of approximately 91.3 million kg CO2e, Scope 2 emissions of approximately 145.3 million kg CO2e, and Scope 3 emissions of approximately 39.3 million kg CO2e. * 2016: Scope 1 emissions of approximately 83.6 million kg CO2e, Scope 2 emissions of approximately 137.3 million kg CO2e, and Scope 3 emissions of approximately 35.7 million kg CO2e. * 2015: Scope 1 emissions of approximately 83.9 million kg CO2e, Scope 2 emissions of approximately 145.7 million kg CO2e, and Scope 3 emissions of approximately 41.3 million kg CO2e. Quest Diagnostics's climate commitments and emissions reporting are managed internally, with no indication of data cascading from a parent organisation. The company provides its emissions data through sources such as its Corporate Responsibility Reports and CDP Climate Change Questionnaires.
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Quest Diagnostics’s Climate Goals (2030 & 2050)
2 goals2030
30% reduction in Scope 2
We are committed to reducing our Scope 2 emissions by 30% from 2021 levels by 2030.
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
See all 2 climate goals
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Scope 3 top emissions categories
6 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives
Science Based Targets Initiative
Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Quest Diagnostics
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