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Hemostasis and Thrombosis Program

The Hemostasis and Thrombosis Program is located at West Penn Hospital in Bloomfield. The Program's physicians, Margaret Kennedy, MD, and Robert Kaplan, MD, offer outpatient consultations for the diagnosis and treatment of disorders such as the following:

  • Disorders of hemostasis
  • Venous thromboembolic disease
  • Hemostasis and thrombosis problems in pregnancy
  • Hereditary and acquired thrombocytopathies
  • Von Willebrand's disease
  • Factor deficiencies
  • Recurrent deep vein thrombosis (DVT) and pulmonary embolus (PE)
  • Complex thrombophilias with family testing
  • Pre-surgical risk assessment of patients with thrombosis and hemostasis problems
  • Hereditary and acquired thrombotic disorders


Hemostasis and Thrombosis Lab

A key component of the Hemostasis and Thrombosis Program is the Hemostasis and Thrombosis Lab. This dedicated laboratory serves as a regional reference center for hospitals throughout the tri-state area.

The laboratory provides testing for non-malignant hematological disorders, including complex anemia, thrombocytopenia, leukopenia, myeloproliferative disorders and immune-related anemia/ thrombocytopenia.

The Hemostasis and Thrombosis Laboratory is accredited by the College of American Pathologists and Clinical Laboratory Improvement Amendments (CLIA), which is certified by the US Food and Drug Administration (FDA) and performs more than 3,000 tests each month.

The lab’s medical directors are board certified in hematology and have extensive expertise in specialized hematology and coagulation studies.

All Lab requests ordered as diagnostic panels are reported with a physician’s interpretation. Physicians are also available for discussion of laboratory results and consultation to aid in the management of these disorders.

Hemostasis and Thrombosis Lab
West Penn Hospital
4800 Friendship Avenue, W2
Pittsburgh, PA 15224

Phone: 412.578.5612

Director: Robert Kaplan, MD, 412.578.4355

Hours: Mon., Tues., Fri. 8 a.m. to 12 p.m.
             Wed., Thurs. Noon to 4 p.m.


Anticoagulation Management Center

An additional outpatient service is the Anticoagulation Management Center, which offers point-of-care testing for patients referred by their physicians for long-term or temporary management of anticoagulation(blood thinning).

Anticoagulation Management Center at West Penn Hospital
Mellon Pavilion, Suite 140
4815 Liberty Avenue
Pittsburgh, PA 15224

Phone: 412.578.INRS (4677)
Fax:  412.688.7537

Director: Margaret Kennedy, MD

Hours: Mon., Tues., Wed., Fri. 8 a.m. to 4 p.m.


  • Fingerstick test of INR by Roche CoaguChek provides results in 1 to 2 minutes
  • Secure, web-based "Dose-Response" program provides medication dose guidelines
  • Any needed medication dose adjustments discussed with the patient on the spot
  • Follow-up visit scheduled before the patient leaves
  • Documentation sent to the referring physician within 72 hours of the patient's visit.

Referral:  Physicians, please contact us for a referral form and collaborative practice agreement. 


Related Informational Links:

Awareness of Deep Vein Thrombosis

New blood-thinning medications

Hemostasis and Thrombosis Program Specialists

Click here to view our doctors.

Hemostasis and Thrombosis Clinical Trials

Hemostasis and Thrombosis clinical trials available at the West Penn Allegheny Health System. Please click here for more detailed information.

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