Quest Diagnostics Incorporated, a leading provider in the diagnostic testing industry, is headquartered in the United States. Founded in 1967, the company has established itself as a pivotal player in laboratory services, offering a comprehensive range of diagnostic information services that include clinical laboratory testing, anatomic pathology, and genetic testing. With a strong operational presence across North America, Quest Diagnostics is renowned for its commitment to innovation and quality, providing unique solutions that enhance patient care. The company has achieved significant milestones, including advancements in molecular diagnostics and a robust network of patient service centres. Recognised for its market leadership, Quest Diagnostics continues to set the standard in the healthcare sector, delivering reliable and accurate testing services that empower healthcare providers and patients alike.
How does Quest Diagnostics's carbon action stack up? DitchCarbon scores companies based on their carbon action and commitment to reducing emissions. Read about our methodology to learn more.
Mean score of companies in the Medical Device Manufacturing industry. Comparing a company's score to the industry average can give you a sense of how well the company is doing compared to its peers.
Quest Diagnostics's score of 37 is higher than 60% of the industry. This can give you a sense of how well the company is doing compared to its peers.
In 2022, Quest Diagnostics, headquartered in the US, reported total carbon emissions of approximately 288,624,000 kg CO2e for Scope 1 and about 94,474,000 kg CO2e for Scope 2. The company has set ambitious targets to reduce its emissions, committing to a 30% reduction in both Scope 1 and Scope 2 emissions from 2021 levels by 2030. This commitment reflects a proactive approach to climate action, aligning with industry standards for sustainability. Globally, Quest Diagnostics' emissions for 2022 included about 107,228,000 kg CO2e for Scope 1 and approximately 91,613,000 kg CO2e for Scope 2. The company has not disclosed Scope 3 emissions data for the US but reported a total of about 820,410,000 kg CO2e globally for Scope 3 emissions, which includes categories such as business travel and purchased goods and services. Quest Diagnostics' climate commitments are part of a broader strategy to enhance environmental responsibility and reduce its carbon footprint, demonstrating a clear alignment with global climate goals.
Access structured emissions data, company-specific emission factors, and source documents
| 2015 | 2016 | 2017 | 2021 | 2022 | |
|---|---|---|---|---|---|
| Scope 1 | 83,929,000 | 00,000,000 | - | 000,000,000 | 000,000,000 | 
| Scope 2 | 145,724,000 | 000,000,000 | 000,000,000 | 000,000,000 | 00,000,000 | 
| Scope 3 | 41,299,000 | 00,000,000 | 00,000,000 | - | 000,000,000 | 
Quest Diagnostics's Scope 3 emissions, which increased significantly last year and increased significantly since 2015, demonstrating supply chain emissions tracking. The vast majority of their carbon footprint comes from suppliers and value chain emissions, representing the vast majority of total emissions under the GHG Protocol, with "Purchased Goods and Services" being the largest emissions source at 62% of Scope 3 emissions.
Climate goals typically focus on 2030 interim targets and 2050 net-zero commitments, aligned with global frameworks like the Paris Agreement and Science Based Targets initiative (SBTi) to ensure alignment with global climate goals.
Quest Diagnostics has not publicly committed to specific 2030 or 2050 climate goals through the major frameworks we track. Companies often set interim 2030 targets and long-term 2050 net-zero goals to demonstrate measurable progress toward decarbonization.
