The laboratory team is dedicated in maintaining the mission of San Antonio Regional Hospital by providing exceptional service to the community we serve. Management believes in our mission, empowers us to grow and innovate, and supports our commitment to excellence.

The main lab is open 24 hours a day. Equipped with state of the art technology and skilled staff, we deliver a full range of diagnostic testing for in-patients, outpatients, and home care facility residents.

Services provided are as follow:

  • Blood Bank 
  • Chemistry
  • Coagulation
  • Cytology
  • Hematology
  • Histology
  • Microbiology 
  • Phlebotomy
  • Serology

    We take exceptional care for each sample we collect and each test we perform practicing our core values of patient centered, safety, compassion, respect, integrity, and excellence.

    Convenient Locations

    You may have your lab tests and services performed at these locations
    Scheu Family Building


    1100 San Bernardino Road, Second Floor, Upland, CA 91786
    (Corner of North 11th Avenue and San Bernardino Road)
    Hours until further notice:
    Monday to Friday 7:00 AM to 4:30PM
    Closed Saturday, Sundays & Holidays


    7777 Milliken Avenue, Rancho Cucamonga, CA 91730
    (Church and Milliken, one block north of Foothill Boulevard)
    STAT Testing not available   
    Hours until further notice:
    Monday to Friday 7AM to 4:30 PM
    Saturday 8AM to 12PM
    Closed Sundays & Holidays

    Sierra San Antonio Medical Plaza

    16465 Sierra Lakes Parkway, Fontana, CA
    (Between the Citrus Ave. and Sierra Ave. exits on the 210 Freeway)
    Laboratory 909.920.4726
    STAT Testing not available   
    Hours until further notice:
    Monday to Friday 7:30AM to 12:30PM
    Closed Saturday & Sundays & Holidays

    Accreditation and Our Team

    Our lab processes more than 3.6 million tests a year and fully accredited by the College of American Pathologists, the Joint Commission of Accreditation of Healthcare Organization, the State of California, and the Centers for Medicare and Medicaid Services under CLIA.

    Reaching Out

    We also perform lab work at local skilled nursing facilities to promote continuity of care for patients who are transferred from San Antonio to these facilities. For more information or assistance, please contact our client services staff at 909.920.4705.

    Donate Blood

    Blood donations on the main campus and at our satellite locations are conducted on a rotating schedule. Check the blood donation schedule here. Go to to find a San Antonio blood drive near you and schedule an appointment to donate blood.

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