Bg8 (blood group 8) pin

IHC

Bg8 (blood group 8)

Alternate Test Names:
Lewis Y Antigen

Methodology: IHC

Clinical Significance:
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

Organ: Lung

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

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

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