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Hematopathology/Flow Cytometry

Flow cytometry is a technique for counting and examining microscopic particles, such as cells and chromosomes, by suspending them in a stream of fluid and passing them by an electronic detection apparatus. Flow cytometry is routinely used in the diagnosis of health disorders, especially blood cancers, but has many other applications in both research and clinical practice. CPA Lab performs the following flow cytometry testing:

  • Lymphoma/ Leukemia Panel
  • CD4/CD8
  • T & B Cell Subsets
  • CD59/PNH
  • CD34 Count


See the CPA Lab test menu for specimen collection instructions.

Normal turnaround time for bone marrow results is 24 to 48 hours with flow cytometry results reported in 24 to 36 hours. Inquiries can be made to the lab at 502/736-4391.

Note: Tissue samples submitted for flow cytometry should be as generous as possible without compromising enough material for morphology. For example: If an entire lymph node is removed, then a section as would be submitted in a cassette for tissue processing could be submitted for flow cytometry analysis. Smaller specimens require judgment based on tissue source.

Flow cytometry
The first molecular diagnostic tests to reach the market were for infectious diseases, and this remains the largest segment of the molecular diagnostics market. Molecular oncology tests have emerged as a second significant – and rapidly growing – market segment. Molecular diagnostics also are starting to emerge as an important tool for inherited disorders, cardiovascular disorders and other disease areas.

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