Identifies: A non-lineage-specific nuclear transcription factor expressed in normal mature B cells at several stages of development, and in a variety of non-Hodgkin lymphomas, but not in Hodgkin lymphomas. FOXP1 is used as part of a panel of markers in immunohistochemical distinction of germinal center-derived diffuse large B cell lymphoma (DLBCL) from non-germinal center-derived DLBCL.
Subcellular Localization: Nuclear
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