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Alternate Test Names:
Lewis Y Antigen
Identifies the Lewis Y blood group related antigen, which has been demonstrated to be a sensitive marker of adenocarcinoma, not expressed, or expressed only at very low levels, in mesothelial cells or mesothelioma.
Subcellular Localization: Membranous and cytoplasmic
Disease State: Mesothelioma vs. Adenocarcinoma
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