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Hematology Division

Clinical Hematology Faculty

Daniel E. Sabath, MD, PhD, Division Head, Director, Hematology and Coagulation General Laboratories
Kerstin Edlefsen, MD, Associate Director, UWMC Hemtology

Diagnostic Testing

General hematology (automated cell counts and differential counts)

UWMC Lab Supervisor:
Joanne Estergreen (206) 598‑6233

HMC Lab Manager:
Sara Trimble (206) 744‑3147

Specialized hematologic testing including:

  • Morphology
  • Red cell disorders
  • Coagulation
  • Flow cytometry
  • Molecular diagnosis
  • Bone marrow processing
  • Circulating tumor cell assay

Please see the Hematopathology and Coagulation sections for more information.


Please also see entries for individual faculty.


  • Medical Laboratory Scientist training
  • Medical student rotations
  • Hematopathology training for Pathology and Laboratory Medicine residents
  • Hematopathology Fellowship Program
  • Elective rotations for Hematology/Oncology fellows
  • Master of Science degree with concentration in Hematology

Please see the Education section for more information.


  • University of Washington Clinical Hematology Lab
  • 1959 NE Pacific Street
  • Room NW220
  • Seattle, WA 98195
  • Tel: (206) 598‑6234

  • Harborview Medical Center Clinical Hematology Lab
  • 325 9th Ave
  • Room GWH 47
  • Seattle, WA 98195
  • Tel: (206) 744‑3128

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Last updated:10/23/2018