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Identifies: An uncharacterized antigen present in >97% of cases of hairy cell leukemia. Other tumors positive include a high fraction of cases of splenic lymphomas with villous lymphocytes, and a smaller fraction of high grade B cell lymphomas (e.g., immunoblastic). The antibody shows strong positive staining of about 35% of cases of high-grade B cell lymphomas, e.g. centroblastic and immunoblastic types. Subcellular Localization: Cytoplasmic
Disease State: Hairy Cell Leukemia
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