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Blood Group B pin


Blood Group B

Alternate Test Names:
Blood Group Antigen B

Methodology: IHC

Clinical Significance:
Identifies all epithelial tissues expressing the blood group B. Useful for identification of floaters, i.e., of contaminating tissues derived from patients of different blood group types.

Subcellular Localization: Membranous and cytoplasmic


Disease State: Identification of Floaters

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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