Alternative Name
hSNF5, SMARCB1, BAF47
Methodology
Immunohistochemistry (IHC)
Test Description
Lack of nuclear expression of INI1 is characteristic of malignant rhabdoid tumors and epithelioid sarcomas.
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.
CPT Code(s)*
88342x1 or 88341x1
Turnaround Time
24 hours
Level of Service
Stain Only
Technical
New York Approved
Yes
Notes
Global prognostic interpretation is available (TAT is 48 hours)