TCRy3.20
- Tech Only CPT
- Tech Pro CPT
- PowerPath Code
- Schedule Monday - Friday
- Turn Around Time Within 1-2 business days of receipt
- Methodology IHC
Specimen Requirements
Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.
Diagnostic Utility
Identifies: The isoform of T cell receptor present on gamma-delta T cells, as opposed to the much more common alpha-beta T cells. The principal application of this marker is the positive identification of the two main WHO lymphoma diagnoses involving gamma-delta T cells: Hepatosplenic gamma-delta T cell lymphoma and primary cutaneous gamma-delta T cell lymphoma.