Laboratory Services

State-of-the-Art Testing Services

Winchester Hospital offers laboratory services at 5 different sites in the communities north of Boston to ensure the most convenient testing options for patients. From basic blood tests to complicated pathologic studies, we offer a wide range of clinical testing procedures using state-of-the-art instruments to produce timely, accurate results.

At our laboratories, our most common tests are on blood and tissue, but the clinical specimens we study can include samples ranging from urine, spinal fluid and other body fluids.

We offer:

  • Fast turnaround time for results
  • Participation with all major insurance carriers
  • No appointment necessary

Winchester Hospital’s Laboratory Services are accredited by: 

  • American Association of Blood Banks (AABB)
  • College of American Pathologists (CAP)
  • Clinical Laboratory Standards Institute (CLSI)

Our Convenient Locations

Our laboratory collection sites can be found at these locations:


  • Montvale Diagnostic Center TEMPORARILY CLOSED
    88 Montvale Avenue
    Phone: 781-756-8688
    Hours: Monday - Friday, 8:00 am - 5:00 pm; Saturday - Sunday, 8:00 am - 3:00 pm
    Get directions


  • Winchester Hospital Family Medical Center
    500 Salem Street (Route 62)
    Phone: 978-988-6010
    Hours: 7:30 am - 8:00 pm, seven days a week
    Get directions


  • Winchester Hospital
    41 Highland Avenue
    Phone: 781-756-2317
    Hours: 6:30 am - 8:00 pm, seven days a week
    Get directions

  • Russell Hill Building (suggested site)
    955 Main Street, Suite G5
    Phone: 781-756-8660
    Hours: Monday - Friday, 6:00 am - 6:30 pm; Saturday, 7:00 am - 3:00 pm; Sunday, 9:00 am - 3:00 pm
    Get directions

  • Winchester Hospital Center for Cancer Care
    620 Washington Street
    Phone: 781-756-5068
    Hours: Monday - Friday, 8:00 am - 4:30 pm (closed 12:00 pm - 12:30 pm for lunch)
    Get directions


  • Choate Medical Office Building - TEMPORARILY CLOSED
    23 Warren Avenue, Suite 120
    Phone: 781-933-4396
    Hours: Monday - Friday, 7:00 am - 5:30 pm; Saturday, 7:00 am - noon
    Get directions

Laboratory collection sites may be closed due to inclement weather or storms. If you are unsure, please contact collection site for hours. The Winchester Hospital Lab at 41 Highland Avenue in Winchester and the Family Medical Center Lab at 500 Salem Street in Wilmington are always open for their posted hours of operation.

Maternity Services

Winchester Hospital is recognized as one of the area’s most prominent obstetric hospitals, offering a 24-hour laborist program and a Special Care Nursery for newborns in need of specialized medical care.

Weight Management

Winchester Hospital is committed to providing the most effective weight management programs and, when appropriate, the most advanced treatment for weight loss surgery.

Integrative Therapies

To complement our excellent medical and surgical services, Winchester Hospital offers alternative therapies, also called complementary therapies, including acupuncture, hypnotherapy, massage therapy, yoga and more.