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APPAX5
PAX5, IMMUNOHISTOCHEMISTRY STAIN

Test Code APPAX5 
Test PAX5, IMMUNOHISTOCHEMISTRY STAIN 
Description PAX-5 is a mouse monoclonal antibody validated by NorDx laboratory using formalin fixed embedded tissue. PAX-5 encodes for B-cell specific activator protein (BSAP), a marker for B-cells. PAX-5 is used to distinguish classic Hodgkin's disease from anaplastic large cell lymphoma of T and null cell type. PAX-5 expression is also found on most cases of mature and precursor B-cell non-Hodgkin's lymphomas/leukemias and B-lymphoblastic neoplasms and maturation stage.
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 provided. 
Analytic Time 2 Days 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 88342