- Tech Only CPT 88342.TC
- Tech Pro CPT
- PowerPath Code CD4
- Schedule Monday - Friday
- Turn Around Time Within 1-2 business days of receipt
- Methodology IHC
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.
Expressed by helper/inducer T cells and in lower levels in monocytes. Aberrantly decreased in a subset of T cell neoplasms (most peripheral T cell lymphomas, ALCL (variable), blastic NK cell lymphomas) and histocytic neoplasms.