Reacts with the integrin subunit cell surface antigen expressed in intraepithelial T-lymphocytes, hairy cell leukemia, enteropathy associated T-cell lymphoma, and some splenic marginal zone lymphomas. Used to identify hairy cell leukemia and distinguish it from marginal zone lymphomas and other potential mimics, and to identify intraepithelial gastrointestinal T cells.

Turnaround Time
24 hrs
Specimen Requirements

A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen typeorOne (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 orderedBlock and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.

Storage and Transportation

Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.

CPT Codes
88342 x 1 or 88341 x 1