Synonyms
Terminal Deoxynucleotidyl Transferase
Full Description
Identifies a specialized DNA polymerase present in immature pre-B and pre-T lymphoid cells, as well as most precursor B- and T-lymphoblastic leukemias/lymphomas. Useful for distinguishing lymphoblastic lymphoma from Burkitt lymphoma, with occasional aberrant expression in some acute myeloid leukemias.
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