Identifies syndecan-1, a cell surface-associated protein expressed in plasma cells and plasmacytoid B cells, and on neoplasms derived from these cells, including almost all plasmacytic/plasmablastic neoplasms. CD138 is also expressed by a significant subset of normal and neoplastic epithelia.
Subcellular Localization: Membranous
Disease State: B Cell NHL with Plasmacytoid Differentiation
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