Common Test-Ordering Errors
Part 2: Misordered Tests

Leukemia/Lymphoma Immunophenotyping (#3287)

May 2010

But, flow cytometry is also used to diagnose hematologic malignancies. In such situations, cell counts are increased and a variety of cell markers may be required to accurately characterize the malignancy and determine appropriate therapy. Thus, a different test is indicated—“Leukemia/Lymphoma Immunophenotyping” is the blood test for increased counts and hematologic malignancies.

We want to make sure that your physicians get the information they need, but are not overloaded with additional information that is unnecessary for that particular patient. When you review the components of the various T- and B-cell tests that we offer, you can see how information overload can occur if the wrong test is selected. These more extensive tests are more expensive and we want to ensure that patients and insurers do not have to pay for larger test panels than are needed.

Because selecting the correct tests for T and B cells can be tricky, I encourage you to review our test information in our electronic test catalog. When questions arise, our physicians and laboratory scientists are available to help you select the appropriate test for your patient by calling our customer service center.

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Jump to section:

• Introduction
• Testing at Mayo Medical Laboratories
• Common MML Test-Ordering Errors
• Misordered Tests
• T- & B-Cell Tests by Flow Cytometry
• CD4 Count for Immune Monitoring, Blood (#84348)
• T- and B-Cell Quantitation by Flow Cytometry (#9336)
• B-Cell Phenotyping Profile for Immunodeficiency and Immune Competence Assessment, Blood (#88800)
• Indications for Ordering #88800
• Leukemia/Lymphoma Immunophenotyping (#3287)
• Conclusion
• Questions?