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Hematology & Hematopathology: Coagulation Services

Hematology & Hematopathology: Coagulation Services

Contact Information

UCSF Clinical Hematology Laboratory

  • Room M524, Box 0100
  • 505 Parnassus Ave.
  • San Francisco, CA 94143-0100
  • Phone: 415-353-1747
  • Fax: 415-353-1106

The UCSF Clinical Laboratory Medicine Service works closely with the UCSF Clinical Hemostasis and Thrombosis Service. The expertise of both the clinical hematology and clinical laboratory services is available both to current UCSF patients, and for testing and patient referrals.

Peds Hematology/Hemophilia

Adult Hematology/Oncology

The UCSF Laboratory Medicine Service includes a comprehensive coagulation laboratory. The service includes resident, fellow and attending physicians in laboratory medicine who work with the clinical services to evaluate, diagnose and treat patients with disorders of hemostasis and thrombosis.

Among the services offered by the UCSF Clinical Labs (or the can be referred for testing through UCSF) are:

Coagulation Services
Service Name

Diagnosis of Heparin Induced Thrombocytopenia

Request Service

  • Heparin-Platelet Factor 4 Antibodies
  • Serotonin Release Assay

Evaluation of Bleeding Disorders

Request Service

  • PT, aPTT, Functional Fibrinogen
  • Factor Assays (II, V, VII, VIII, IX, X, XI)
  • Factor Inhibitor Screens and Factor Inhibitor Titers
  • Hemophilia A molecular testing
  • von Willebrand Disease Evaluation (Antigen, Activity, Multimers, PFA-100)
  • Platelet Evaluation: Count, Morphology, and Function (PFA-100, Platelet Aggregation)
  • Assessment for Rare Bleeding Disorders: Dysfibrinogenemia, Factor XIII Deficiency, Antiplasmin Deficiency.

Evaluation for Thrombophilia

Request Service

  • Antiphospholipid Antibody Syndrome Testing
    • Lupus Anticoagulant Testing
      • Russell Viper Venom Test
      • aPTT based LA testing=Hexagonal Phospholipid Neutralization Test
    • Anticardiolipin Antibodies (IgG, IgM)
    • Anti-beta-2-glycoprotein I Antibodies (IgG, IgM)
  • Antithrombin, Protein C, Protein S Assays
  • Genetic Testing for Factor V Leiden, Prothrombin 20210 Polymorphism
  • Hyperhomocyteinemia
  • Assessment for Elevated Fibrinogen, Factor VIII, Factor IX, Factor XI

Monitoring of Anticoagulation Therapy

Request Service

  • Unfractionated Heparin, Low Molecular Weight Heparin
  • Direct Thrombin Inhibitors
  • Warfarin

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