Saint Louis University

The SLUCare Flow Cytometry Laboratory offers a wide selection of comprehensive testing processes to provide the Hematopathology Service with the studies necessary to achieve excellence in diagnosis. The service uses state-of-the-art Beckman Coulter Cytomics FC 500 and Gallios flow cytometers, updated software and maintains more than 60 monoclonal antibodies, making it a major testing resource for the bi-state region. Antibodies employ different fluorescent probes to identify specific patterns of antigen expression. The laboratory offers 10-color flow cytometric analysis for neoplastic testing.

The SLUCare Flow Cytometry Laboratory offers specialized comprehensive studies for a variety of hematopoietic disorders:

  • Leukemia
  • Lymphoma
  • Immune deficiencies
  • Lymphocyte T-cell subset evaluations
  • CD34 stem cell enumeration

Hours of Operation

The Flow Cytometry Laboratory is open 8 a.m. to 5 p.m., Monday-Friday. Routine specimens should be delivered between 8 a.m. and 4 p.m., Monday-Friday. Emergency service after hours can be arranged at (314) 977-7864.

Contact Us

  • Telephone: (314) 977-7864
  • Mail: Hematopathology/Flow Cytometry Laboratory, Room 461, Saint Louis University School of Medicine, 1402 S. Grand Blvd., St. Louis, MO 63104


Verbal reports are available within 24 to 48 hours. Final written reports will be faxed as soon as they are completed and are available online.

Request for Services

Specimens must be accompanied by a signed requisition and must comply with the labeling requirements of the Saint Louis University department of pathology and include a preliminary diagnosis so that the proper analysis will be performed. Samples must be delivered to:

Hematopathology/Flow Cytometry Laboratory
4th Floor, Room 461
Saint Louis University Medical School
1402 S. Grand Blvd.
St. Louis, MO 63104

To ensure that all specimens submitted to Flow Cytometry are received in good condition and within the appropriate time for testing, we request clients call the laboratory when a specimen is sent. The laboratory must be contacted if the specimen will arrive after hours or if there is a concern that the delivery of the specimen will not occur in the appropriate time frame.