The Hematology Laboratory performs a variety of tests on blood, urine, bone marrow, and sterile body fluids that allow physicians to diagnose and monitor anemia, leukemia, lymphoma, malignancy, infection, and many other abnormalities and diseases.

Testing is performed by ASCP certified medical technologists and technicians with many years of experience in high complexity testing under the direction of hematopathologist  Alexandra Harrington, MD, MT(ASCP).


We are a full service, high volume laboratory, testing over 400,000 blood samples per year for complete blood counts alone.  Our laboratory utilizes state-of-the-art instrumentation using the Gold standard Fluorescence Flow Cytometry technology.  This technology assists laboratory personnel in efficient and highly accurate analysis of patient samples.  High quality results are reported timely, giving providers the tools needed to manage their patients.

Our laboratory also assists in performing over 1,300 bone marrow biopsies each year, a number that is steadily increasing.  This service is essential for diagnosing, staging, and monitoring hematological disorders and malignant processes.  Slides are prepared at the patient’s bedside, stained in the laboratory, reviewed by medical technologists, and submitted to pathology for interpretation.


High quality laboratory data is critical in helping physicians make accurate clinical judgments. Our laboratory specialists pride themselves in providing the highest quality results in an expedient manner.


Our clinical laboratory services include:



  • Complete Blood Count
  • Reticulocyte Count
  • Leukocyte Infusion Testing
  • Stem Cell Concentrate Testing
  • Glycohemoglobin A1C
  • Erythrocyte Sedimentation Rate
  • Sickle Cell Screening
  • Malaria and smear review for blood parasites



  • Microscopic and Macroscopic Urinalysis
  • Qualitative Serum and Urine HCG
  • Clinitest
  • Myoglobin



  • Bone marrow collection assistance to include preparation of samples and slides.
  • Bone marrow differentials
  • Myeloperoxidase Cytochemical Staining
  • Alpha-Naphthyl Butyrate Esterase Staining
  • Iron Staining
  • Bone Marrow imprint and aspirate staining
  • Glucose-6-Phosphate Dehydrogenase Screening



  • Body Fluid Cell Count with Differential
  • Semen Analysis
  • Synovial Crystal Analysis
  • Diagnostic Peritoneal Lavage Analysis
  • Smear for Eosinophils


For additional information on hematology, please contact:


Alexandra Harrington, MD, MT(ASCP)
Professor, Department of Pathology, Medical College of Wisconsin
Director, Hematology and Coagulation