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Care & Treatment

  • Laboratory & Pathology Services

Laboratory & Pathology Services

You can get diagnosis, analysis, and results 24 hours a day/7 days a week from our highly skilled pathologists working at The Karl Sorger Clinical Laboratory. There, you’ll find our experienced providers committed to the highest quality patient care through a full menu of ldiagnostic services and anatomic pathology.

The Sorger Clinic participates in both the Medicare/Medicaid programs and is accredited by the College of American Pathologists the American Association of Blood Banks as well as the US Food and Drug Administration. You can have confidence when choosing our laboratory to deliver a highly personalized treatment plan designed specifically for you.

You also have access to outpatient phlebotomy services – they are available weekdays at two sites on our main campus, as well as four offsite drawing locations in Arlington, Cambridge, Lexington, and Waltham.

These satellite drawing sites are available for specimen drop off and patient phlebotomy treatments. Get more information about our outpatient phlebotomy services locations by using the contact information below:

Main Campus Locations

Mount Auburn Hospital, 330 Mount Auburn Street, Cambridge, MA:

South 1 Ambulatory Care Center

Closed for the following holidays:
Labor Day, September 7th
Thanksgiving, November 26th
Christmas, December 25th
New Years Day, January 1st

Offering: Phlebotomy, EKGs (EKGs Monday through Saturday only)
Monday through Friday 7:00 a.m. - 7:00 p.m.
Saturday and Sunday: 7:30 a.m. - 3:00 p.m.

Offsite Drawing Locations (Monday through Friday)


Offering Phlebotomy only
725 Concord Avenue, Suite 1200
Cambridge, MA
phone: 617-547-6711
fax: 617-547-0834

7:30 a.m. - 5:00 p.m.


Offering Phlebotomy only
22 Mill Street, Suite 301
Arlington, MA
phone: 781-646-2263
fax: 781-646-0633

8:00 a.m. - 12:30 p.m. and 1:00 p.m. - 4:30 p.m.


Offering Phlebotomy only
355 Waverley Oaks Road
Suite 250
Waltham, MA
phone: 781-314-7625
fax: 781-314-7663

8:00 a.m. - 12:30 p.m. and 1:00 p.m. - 4:30 p.m.

Requirements and Procedures

Please note the following requirements; you must provide and understand that

  • a written request for testing from your healthcare provider. 
  • written orders within seven (7) days of telephone orders.
  • that laboratory testing will NOT be performed without orders. 

We appreciate your cooperation in following these procedures.

No appointment is necessary, with the exception of certain” timed” tests. Appointments for glucose tolerance tests can be scheduled by calling the laboratory at 617-499-5060 ext. 3976.

To learn more about all of our full range of laboratory services, please call 617-499-5060.

Related Locations

Mount Auburn Hospital

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Harvard Medical School Teaching Hospital