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Sonora Quest Laboratories

Integrated diagnostic laboratory and testing services

Overview

Sonora Quest Laboratories operates as a large, Arizona-based diagnostic laboratory network formed by a Banner Health and Quest Diagnostics joint venture. It performs routine, molecular, genetic/genomic, prescription drug monitoring, women’s health, and pathology tests, processing over 100 million results each year across 70+ patient service centers with about 3,900 staff. Tests are carried out in-house by its lab team and results are delivered to patients and providers via services like My Lab ReQuest, with patients able to schedule and order tests with or without a clinician’s order. Its differentiators are its scale, its national lab partners, and its accreditation by the College of American Pathologists, while its goal is to provide accurate, timely diagnostic information to support medical decision-making and broaden access to testing across Arizona.

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About Sonora Quest Laboratories

Simplify's Rating
Why Sonora Quest Laboratories is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & AnalyticsHealthcare

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Tempe, AZ

Founded

1997

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What believers are saying

  • Jennifer Erickson became CEO March 31, 2026, preserving continuity after David Dexter.
  • Northern Arizona Healthcare partnership adds urgent STAT volume and faster Flagstaff turnaround.
  • 2026 federal awards and new consumer panels show active demand across test categories.

What critics are saying

  • Willis et al v. Sonora Quest Laboratories filed November 2025 raises wage-and-hour exposure.
  • Quest’s Arizona dominance concentrates revenue in one state, amplifying reimbursement and contract shocks.
  • AI and consumer-test launches commoditize routine lab work, pressuring margins through 2026.

What makes Sonora Quest Laboratories unique

  • Banner-Quest joint venture gives Sonora Quest Arizona-scale distribution and payer relationships.
  • Techcyte deployment in July 2026 modernizes parasitology with AI-assisted slide workflows.
  • My Lab ReQuest expands direct-to-consumer testing with GLP-1, HPV, and fertility panels.

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Benefits

  • Flexible Work Hours

Company News

Associated Press
Jul 13th, 2026
Sonora Quest Laboratories deploys Techcyte's AI parasitology suite to cut turnaround times

Techcyte announced that Sonora Quest Laboratories has implemented its Fusion Parasitology Suite for AI-assisted digital workflows. Sonora Quest, a joint venture between Banner Health and Quest Diagnostics, is one of the largest integrated laboratory systems in the US. The platform addresses staffing challenges in ova and parasite screening by providing AI-assisted identification of parasites on digitised slides. It integrates digital slide viewing, case management and AI into a unified workflow. John-Michael Krasovic, Lab Manager at Sonora Quest Laboratories, said the implementation has accelerated turnaround times for stool examinations and allowed laboratory professionals to focus on other critical responsibilities. The organisations are collaborating to scale digital workflows across additional microscopy tests. Founded in 2013, Techcyte provides a unified pathology platform that digitises laboratory workflows. The platform is for research use only in the United States.

Sonora Quest Laboratories
Jun 4th, 2026
Press release: Sonora Quest launches GLP-1 Progress Panel.

Press release: Sonora Quest launches GLP-1 Progress Panel. Published: June 4, 2026 New panel, available through My Lab Request(TM), helps patients track how their body is responding to GLP-1 medications over time PHOENIX (June 1, 2026) - Sonora Quest Laboratories has announced the launch of its new GLP-1 Progress Panel, now available directly to consumers through its My Lab Request platform. The panel allows individuals to order testing without a doctor's order, providing a convenient way to monitor key health markers while taking GLP-1 medications. As the use of GLP-1 medications, commonly prescribed for weight loss and diabetes management, continues to grow, many patients are looking for simple ways to better understand how their body is responding between provider visits. The GLP-1 Progress Panel was developed to help fill that gap by offering insight into important metabolic health indicators that may change during treatment. "GLP-1 medications are changing the landscape of weight loss and metabolic health, but ongoing monitoring remains an important part of the journey," said Dr. Kelly Wilhelms, Scientific Director at Sonora Quest. "This panel is designed to help patients track important markers over time and better understand how their body may respond during treatment." The GLP-1 Progress Panel includes a combination of tests designed to give a broader picture of metabolic health including: Comprehensive Metabolic Panel (CMP) for overall metabolic function, Cardio Health Screen (Lipid Panel) to evaluate cholesterol levels, Thyroid Stimulating Hormone (TSH) to assess thyroid health and Hemoglobin A1c tests to assess blood sugar control. Together, these tests can help individuals track changes over time and better understand how their body responds while taking GLP-1 medications. The panel is intended for individuals using GLP-1 medications for weight loss or diabetes who want greater visibility into their health between routine medical visits. The panel is intended to provide informational insights and support conversations with healthcare providers, not to diagnose, treat or manage medical conditions. According to a survey from the Kaiser Family Foundation, one in eight adults have taken a GLP-1, with 6% saying they are currently utilizing the medication. Wilhelms added, "By testing with this panel, it gives patients a way to have more informed conversations with their healthcare providers regarding their health during treatment." The GLP-1 Progress Panel is available on My Lab Request without a doctor's order for just $139. For more information, or to order your own test visit: www.MyLabRequest.com About Sonora Quest Laboratories Sonora Quest Laboratories, a subsidiary of Laboratory Sciences of Arizona, is an Arizona-based joint venture between Banner Health and Quest Diagnostics (NYSE: DGX) that makes up one of the nation's largest integrated laboratory systems. Sonora Quest Laboratories is the trusted leader in diagnostic and information services with approximately 3,900 employees performing more than 95 million diagnostic tests per year. Its comprehensive test menu encompasses routine, molecular, prescription drug monitoring, genetic/genomic, women's health, and pathology testing services. Sonora Quest is accredited by the College of American Pathologists, the gold standard in laboratory accreditation, which helps ensure the highest standard of care for laboratory operations. To schedule an appointment, find one of its 70+ patient service centers across Arizona, or learn more about ordering tests without a provider's order through My Lab Request(TM), visit Sonora Quest Laboratories at SonoraQuest.com.

Arizona Daily Sun
Aug 4th, 2025
Northern Arizona Healthcare partnering with Sonora Quest Laboratories for health care testing in Flagstaff

Northern Arizona Healthcare (NAH) announced a partnership with Sonora Quest Laboratories in Flagstaff Friday.

Sonora Quest Laboratories
May 14th, 2025
Press Release: New HPV Self Collection Test Launches

PHOENIX (April 29, 2025) - Sonora Quest Laboratories, Arizona's leading diagnostic laboratory, has launched a new human papillomavirus (HPV) screening option that allows patients to perform specimen self-collection.

KTAR
May 3rd, 2025
Sonora Quest Laboratories launches HPV self-collection test in Arizona

Sonora Quest Laboratories launches HPV self-collection test in Arizona.

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