Synonyms
Leu-7
Full Description
Identifies a cell surface protein expressed on subsets of NK cells, activated T cells, and large granular lymphocytes. CD57 is positive in some T-lymphoblastic leukemias, most indolent T-cell large granular lymphocytic leukemias, some NK-cell lymphomas, and lymphocyte-predominant Hodgkin lymphoma.
Methodology
IHC
Specimen Requirements
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred. Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked. Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Storage and Transportation
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
Turnaround Time
24 hrs
CPT Codes
88342x1 or 88341x1