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Identifies a protein present in both the cytoplasm and nucleus of the following: immature normal T-cells; T-cell prolymphocytic leukemia (in which TCL-1 overexpression due to chromosomal translocation is the key pathogenetic event); a variety of B-cell lymphoproliferative disorders including CLL/SLL; and blastic plasmacytoid dendritic cell neoplasms. TCL-1 protein function has been studied predominately in T-cells, in which it has been demonstrated to bind to the AKT protooncogene and to enhance both AKT enzymatic activity and translocation from cytoplasm to nucleus. Subcellular Localization: Nuclear, some cytoplasmic
Disease State: Blastic Plasmacytoid Dendritic Cell Neoplasm
CPT Code(s): 88342 or 88341. The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
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