Methodology
Immunohistochemistry (IHC)
Test Description
BRCA1 (breast and ovarian cancer susceptibility protein 1) is a nuclear phosphoprotein that plays a role in maintaining genomic stability and acts as a tumor suppressor. This test detects expression of BRCA1 protein and is not intended to identify germline or somatic (tumor) mutations in BRCA1. Available molecular tests may be viewed here.
Specimen Requirements
- A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type
or - One (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 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 & Transportation
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
CPT Code(s)*
88342 x 1 or 88341 x 1; 88360 x 1
Turnaround Time
Global: 48 hours, Tech-Only (stain only): 24 hours
Level of Service
Global
Stain Only
New York Approved
Yes