Quest Diagnostics Showcases ctDNA MRD Testing Advances at ASCO 2026
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 06 2026
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Source: Newsfilter
- Research Presentation: Quest Diagnostics will present two studies on circulating tumor DNA (ctDNA) minimal residual disease (MRD) testing at the 2026 ASCO Gastrointestinal Cancers Symposium, which is expected to attract significant attention from oncologists and further solidify its leadership in tumor detection.
- Clinical Concordance Study: The first study evaluates the reproducibility and clinical concordance of the Haystack MRD® test in patients with resected colorectal cancer, demonstrating the test's potential in early cancer recurrence detection, which could transform clinical monitoring strategies.
- New Monitoring Method: The second study explores the use of ctDNA in patients undergoing total neoadjuvant treatment for locally advanced rectal adenocarcinoma, emphasizing the technology's importance in treatment adjustments and early interventions, potentially leading to better patient outcomes.
- Industry Recognition: A recent Harris Poll survey found that 96% of oncologists believe MRD testing can identify cancer recurrence earlier than current methods, indicating strong market demand and confidence in this technology.
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Analyst Views on DGX
Wall Street analysts forecast DGX stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for DGX is 203.75 USD with a low forecast of 190.00 USD and a high forecast of 215.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
11 Analyst Rating
5 Buy
6 Hold
0 Sell
Moderate Buy
Current: 182.350
Low
190.00
Averages
203.75
High
215.00
Current: 182.350
Low
190.00
Averages
203.75
High
215.00
About DGX
Quest Diagnostics Incorporated is a provider of diagnostic information services. The Company provides diagnostic insights from the results of its laboratory testing to enable people, physicians, and organizations to take action to improve health outcomes. It operates through the DIS segment, which provides diagnostic information services to a range of customers within its primary customer channels: physicians, hospitals, and patients and consumers. It offers broad access to clinical testing through a nationwide network of laboratories, patient service centers, phlebotomists in physician offices, and connectivity resources, including call centers and mobile phlebotomists, nurses and other health and wellness professionals. It also focuses on artificial intelligence (AI) and digital pathology solutions. The Company’s services primarily are provided under the Quest Diagnostics brand and under other brands, including AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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