Photo of Elizabeth M. Vancott, MD

Elizabeth M. Vancott, MD

  • Associate Pathologist, Massachusetts General Hospital
  • Medical Director, Coagulation Service
  • Associate Professor of Pathology, Harvard Medical School


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Dr. Van Cott is an expert coagulation pathology specialist. Her continuous contributions to the advancement of laboratory guidelines and standards are recognized by the CAP, NASCOLA, CLSI, and THSNA organizations.



Centers & Specialties

MassGeneral Hospital for Children

Clinical Interests
  • Coagulation
  • Hemoglobin Electrophoresis
Medical Education
  • MD, Harvard Medical School
  • Residency, Massachusetts General Hospital
Board Certifications
  • Clinical Pathology
  • Boston: Massachusetts General Hospital
Insurances Accepted
  • Aetna Health Inc.
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • Centene/Celticare
  • Cigna (PAL #'s)
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • Medicaid
  • Medicare
  • Medicare - ACD
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - New York
  • OSW - Rhode Island
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Railroad Medicare - ACD
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
Patient Age Group
Adult and Pediatric

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Elizabeth Van Cott, MD is Director of the Coagulation Laboratory, and Medical Director of the Core Laboratory at Massachusetts General Hospital. She is past president of the North American Specialized Coagulation Laboratory Association (NASCOLA), and is chair of the Proficiency Testing/External Quality Assessment program. She is an advisor for the Area Committee on Hematology for the Clinical and Laboratory Standards Institute (CLSI), and contributes to writing coagulation laboratory guidelines for CLSI. Dr. Van Cott is an inaugural member of the Standards Committee of the College of American Pathologists (CAP), and was a committee member of the Coagulation Resource Committee for six years. She is an inaugural director on the board of the Thrombosis and Hemostasis Societies of North America (THSNA) and is still a director. Dr. Van Cott was an invited expert at two recent CAP consensus conferences on coagulation, which generated national consensus guidelines for laboratory monitoring of anticoagulant therapy, and thrombophilia. She has over 100 publications on coagulation, and is an editor or editorial board member of multiple journals.

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Research & Publications

Research Summary

Research interests include:

  • Clinically-oriented studies in thrombosis and hemostasis

  • Research is focused on coagulation, in particular, diagnostic coagulation testing and heparin-induced thrombocytopenia (HIT), including new anticoagulants for the treatment of HIT


View my most recent publications at PubMed

  1. The effects of dabigatran on lupus anticoagulant, diluted plasma thrombin time, and other specialized coagulation assays. Kim YA, Gosselin R, Van Cott EM. Int J Lab Hematol. 2014 Dec 17. doi: 10.1111/ijlh.12319. [Epub ahead of print] No abstract available.
  2. Activated protein C resistance testing for factor V Leiden. Kadauke S, Khor B, Van Cott EM.Am J Hematol. 2014 Dec;89(12):1147-50.
  3. Increased transfusion-free survival following auxiliary pig liver xenotransplantation. Yeh H, Machaidze Z, Wamala I, Fraser JW, Navarro-Alvarez N, Kim K, Schuetz C, Shi S, Zhu A, Hertl M, Elias N, Farkash EA, Vagefi PA, Varma M, Smith RN, Robson SC, Van Cott EM, Sachs DH, Markmann JF. Xenotransplantation. 2014 Sep-Oct;21(5):454-64. doi: 10.1111/xen.12111. Epub 2014 Aug 1.

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Massachusetts General Hospital
55 Fruit Street
Boston MA, 02114-2696
Phone: 617-726-9468
Fax: 617-726-3256

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