Synonyms
Kappa by ISH
Full Description
Detects kappa light chain mRNA in plasma cells and plasmacytoid B cells. Used to evaluate clonality and distinguish neoplastic from reactive lymphoid proliferations, including multiple myeloma, plasmacytoma, and plasmacytoid or immunoblastic lymphomas.
Methodology
ISH
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
48 Hrs
CPT Codes
88365x1 or 88364x1