Test Method
IHC
CPT Code
88342 x 1
88341 x 1
Stains / Test Description
Two glycoproteins of 34 and 49 kDa present on the surface and the cytoplasm of all epithelial cells are recognized by Ber-EP4 (except for the superficial layers of squamous epithelial, hepatocytes and parietal cells). It shows a broad spectrum of reactivity with human epithelial cells such as simple epithelia and basal layers of stratified non-keratinized squamous epithelium and epidermis, however it rarely marks mesoepithelial cells. Ber-EP4 can differentiate adenocarcinomas from pleural mesotheliomas
Specimen Requirements
(1) H&E slide with formalin-fixed, paraffin-embedded (FFPE) tissue, fixed with 10% NBF.
or
One (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4 microns) for each test/antibody ordered
Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
or
One (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4 microns) for each test/antibody ordered
Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Storage & Transport
Ship specimen same day (whenever possible) with refrigerated (not frozen) cold pack
Turnaround time
1-3 days depending on level of service
Level of Service
Global (with interpretation)
Slide Only (glass slides only)
Web-Enabled (glass and digital images through eCSI portal)
Slide Only (glass slides only)
Web-Enabled (glass and digital images through eCSI portal)