Methodology: IHC

Clinical Significance:
Identifies all epithelial tissues expressing the blood group A. Useful for identification of floaters, i.e., of contaminating tissues derived from patients of different blood group types. Subcellular Localization: Membranous and cytoplasmic

Organ:

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