|Test||CD79a / MB1, IMMUNOHISTOCHEMISTRY STAIN|
|Description||CD79a is a B-cell marker which appears early in B-cell maturation at the pre-B cell stage and persists until the plasma cell stage, where it is found as an intracellular component, The CD79a antibody is often used to complement CD20, and stains B-cell lymphomas and acute leukemias of precursor B-cell type. It also detects plasma cell myeloma and may stain acute promyelocytic leukemia (FAB-M3), but rarely other myeloid leukemias.
NOTE: This test is usually ordered in conjunction with a pathology consultation. The pathology professional component will be billed separately by the consulting pathologist.
|Specimen||Formalin-fixed or paraffin-embedded tissue specimen.|
|Reference Values||An interpretive report will be issued.|
|Analytic Time||2 Days|
|Day(s) Test Set Up||Monday through Friday|