Clinical Flow Cytometry Laboratory UPMC, Presbyterian Clinical Laboratories The UPMC flow cytometry laboratory performs immunophenotypic studies used in the evaluation of potential leukemias, lymphomas, other hematopoietic/lymphoid, PNH, WBC disorders, and immunodeficiency disorders. Specimens are welcomed from other institutions. Other hematologic testing and a complete hematopathology consultation service for lymph nodes, other tissues, and bone marrows is also available. ( See Consultation Services) Additional information can be obtained by following links: General Information Test Specifications Requisition Form How to Use Requisition Form Steven H. Swerdlow, MD Director, Division of Hematopathology University of Pittsburgh Medical Center Room C606 Presbyterian 200 Lothrop Street Pittsburgh, PA 15213-2582 Phone: 412-647-5191 Fax: 412-647-4008 Email: swerdlowsh@upmc.edu