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CD138 pin



Methodology: IHC

Clinical Significance:
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

Specimen Requirements:
• 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