Full Description
A cytoplasmic antigen expressed throughout B-cell maturation, from pre–B cells to plasma cells. CD79a is present in most precursor B-cell leukemias, B-cell lymphomas, and some myelomas. Expression is reduced in classical Hodgkin lymphoma and some non-Hodgkin B-cell lymphomas, and it is absent in myeloid and T cells.
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