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APCD23
CD23, IMMUNOHISTOCHEMISTRY STAIN

Test Code APCD23 
Test CD23, IMMUNOHISTOCHEMISTRY STAIN 
Description CD23 is expressed by monocytes, polymorphonuclear leukocytes, B-cells and a subpopulation of T-cells. The CD23 antibody labels neoplastic cells from cases of B-cell chronic lymphocytic leukemia and some cases of centroblastic/centrocytic lymphoma. It is used to differentiate between B-CLL/SLL, which are usually positive, from mantle cell lymphoma and small cleaved lymphomas which are usually negative, It is often used in conjuntion with CD5.

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 
CPT Code(s) 88342