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Alternate Test Names:
TCR beta F1; TCRßF1; TCRBF1
Identifies: The alpha/beta chain of the T cell receptor, present on normal T lymphocytes and most T cell neoplasms, e.g., peripheral T cell lymphoma (PTCL), T-lymphoblastic lymphoma/leukemia, mycosis fungoides. Negative on normal B cells, B cell neoplasms, anaplastic large cell lymphoma (ALCL), and NK/T cell neoplasms.
Subcellular Localization: Membranous
CPT Code(s): 88342 or 88341 (reference only; CPTs may vary)
Turnaround Time: Within 1-2 business days of receipt
Schedule: Monday - Friday
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR -
• 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm