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CD7 is a cell surface-associated protein expressed in both mature and immature T cells, as well as NK cells. CD7 is aberrantly decreased in a subset of T cell and natural killer cell neoplasms. In addition, a significant subset of myeloid stem cell neoplasms, including acute myeloid leukemia and myelodysplastic or myeloproliferative syndromes, demonstrates aberrant coexpression of CD7 on the myeloid blasts. Subcellular Localization: Membranous
Disease State: Angioimmunoblastic T Cell Lymphoma
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