Common Test-Ordering Errors
Part 2: Misordered Tests

CD4 Count for Immune Monitoring, Blood (#84348)

May 2010

We have a test for monitoring AIDS patients—“CD4 Count for Immune Monitoring.” This test measures only T cells and is sufficient for patients with AIDS, because it is the T-cell population of lymphocytes that is targeted by the AIDS virus, and T-cell counts play a key role in making the diagnosis, determining treatment, and following the course of the disease.

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CD4 Count for Immune Monitoring, Blood

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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?