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Laboratory Services

Our medical laboratory services provide continuity of care between emergency, inpatient and outpatient testing events. We perform outpatient diagnostic testing for infants, children and adults. Our services are available by scheduling an appointment online or on a walk-in basis at numerous patient service centers throughout the region.

Specific tests, including timed studies, should be scheduled by calling Client Services at 540.741.3415 for the patient’s convenience and to receive appropriate instructions.

Schedule a lab appointment at Mary Washington Medical Laboratories

You are able to schedule an appointment online for many of our laboratory services. Please note that if you arrive more than 15 minutes after your scheduled appointment, you will be placed back in line with regular walk-ins. Walk-in service is still available at all locations.

Mary Washington Laboratories are NOT COVID test sites. Please Visit the Virginia Department of Health to find a test site near you

The following tests are not available for online scheduling. Please call our Client Services department at 540.741.3415, and press option 3.

  1. Patients requiring tests to be collected at home and subsequently dropped off, like 24 hour urine tests. Call for collection kit pick up, locations near you, and instructions.
  2. Glucose Tolerance tests
  3. Semen analysis
  4. EKGs

Contact Information

  • Test information & scheduling:
    540.741.3415 (Monday – Friday 8:00 a.m. – 4:30 p.m.)
  • Insurance participation questions:
    540.741.1168 or 540.741.1379 (Monday – Friday, 8:00 a.m. – 4:30 p.m.)
  • Billing questions:
    540.741.1041 (Monday – Friday, 8:00 a.m. – 4:30 p.m.)
  • Professional laboratory services for physicians and medical facilities
    Click for more information

Why Choose Mary Washington Healthcare Laboratory Services?

With seven testing facilities in our own community the turn-around time for results is outstanding and allows us to perform STAT (medically urgent) testing.

We provide the following for our patients:

  • Full-service medical laboratory
  • Highly trained phlebotomists dedicated to the patient’s needs and comfort
  • Prompt and efficient customer service
  • Convenient locations throughout the area; varied days and times
  • Rapid turn-around time
  • Locally owned & operated, supporting employment in our community
  • World renowned reference laboratory, part of the Mayo Medical Clinic
  • Board certified pathologists, professional medical technologists
  • Accept all laboratory order forms
  • Accept most major insurance carriers

When you arrive, you will sign in at the front desk and present a physician-supplied test order. We will ask you to present insurance cards and identification at every visit so that we can better insure billing accuracy. You will be asked about food and drink consumption depending on the test you are about to take. Please follow your physician’s instructions if the test requires fasting to obtain accurate results. All laboratory orders are valid for six months until otherwise noted. Standing orders, or orders for the same test repeated at specific intervals are valid for 12 months. Contact your physician before this expires so that you can be informed about your options.

Laboratory Services for Physicians and Medical Facilities

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