The Medical Diagnostic Laboratory You Can Count On

Why choose GRI as your medical diagnostic laboratory partner?

Your Southwest partner for diagnostic laboratory and research testing

GRI Labs serves healthcare providers, skilled nursing and assisted living facilities, and research organizations with a menu of hundreds of high-quality medical diagnostic laboratory tests, including serology, toxicology, and molecular PCR testing. We also support facilities with on‑site phlebotomy and reliable specimen collection services.

We accept Medicare, Medicaid, Medi-Cal, as well as a variety of private insurance plans. Please check with our client services team for the most up-to-date insurance information.

Our laboratory partners with Clinical Research Organizations (CROs) to provide flexible, compliant testing solutions tailored to study protocols and timelines.

What sets us apart

  • Personalized and responsive service
  • Fast turnaround times
  • Streamlined facility workflows
  • Reliable specimen handling
  • Integration with your EHR system
  • Clear, compliance‑ready reporting
  • Cost‑effective medical diagnostic testing
  • Tailored services for CRO studies
  • Our specialities

    • General health and wellness testing
    • Senior health and wellness testing
    • On‑site phlebotomy services
    • Infection control testing
    • Women’s health testing
    • Pain management testing
    • Behavioral health testing
    • Support for outpatient treatment programs
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    Experts in PCR laboratory testing

    PCR has become a familiar term due to Covid-19 testing. Yet the benefits of PCR technology are available for a broader range of respiratory tests, including GI and respiratory infections, STDs, UTIs, and wound care.  

    As compared to traditional culture testing methods, PCR testing is a faster and more reliable way to diagnose and identify the best treatment. Molecular PCR testing works by amplifying or copying small segments of DNA for analysis. The results of this analysis include Antimicrobial Resistance to help determine if a medication may be effective.

    Our PCR services enable CROs to advance studies efficiently with dependable molecular testing.

    GRI Labs’ system for real-time PCR testing is designed for maximum throughput, flexibility, and scalability.

    What does that mean for you?

    Faster & more accurate results

    Delivered the way you want to see them

    Allowing you to diagnose & treat quickly and with confidence

    Learn more about PCR testing

    Customer service the big labs can’t match

    GRI Labs is the medical diagnostic laboratory of choice for hundreds of healthcare providers in the Southwest. We have earned their trust not only with our fast, accurate test results, but also because we serve as a trusted partner for every one of our clients.

    Healthcare providers and CRO partners benefit from dedicated support. Specimen logistics, including on-site phlebotomy services, reporting, and communication are streamlined and tailored to your needs.

    Processes customized to your needs. We set you up for efficiency with a custom portal designed for your needs, a transport process that works for you, and test results the way you want to see them.

    Experts available to answer your questions. Our highly trained and experienced staff are happy to talk with you to review the nuances of test results, answer questions, and discuss any concerns you may have. Our team is a valuable resource that can help you improve patient outcomes.

    GRI certifications & accreditations

    Clinical Laboratory Improvement Amendments
    COLA
    California State of Health & Human Services
    Nevada State of Health & Human Services
    California Covid Task Force
    PointClickCare
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    No, you did not meet our expectations, you exceeded our expectations. You and your staff were absolutely magnificent. Thank you for everything. We look forward to working with you in the future.
    Stuart Cooper, GRI Client
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    GRI Labs is proud to partner with Community of Nevada Diagnostics, a leading provider of mobile medical imaging solutions. Community of Nevada Diagnostics brings hospital-quality digital X-ray and ultrasound services to Skilled Nursing Facilities, Assisted Living facilities, private residences, or wherever a patient in need may require service. Their technologists and specially equipped vans allow state-of-the-art digital equipment to be taken directly to a patient’s bedside on short notice. Their quality exams are interpreted by board-certified radiologists promptly thereafter so that care can begin as soon as possible.