Blood Group Related Antigen-Lewis Y

  • Tech Only CPT 88342.TC
  • Tech Pro CPT
  • PowerPath Code BG8
  • Schedule Monday - Friday
  • Turn Around Time Within 1-2 business days of receipt
  • Methodology IHC

Specimen Requirements

Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.

Diagnostic Utility

Antibody identifies Lewis Y blood group related antigen. It is reactive to various types of adenocarcinoma, while negative in reactive mesothelial cells and a great majority of mesothelioma. It is useful in the work-up of fluid samples, such as pleural fluid and ascites, for differentiating metastatic adenocarcinoma from reactive and/or neoplastic mesothelial cells. It is best to used in a panel of antibodies, including Ber-EP4 and MOC-31, among others.


Cell Marque