Methodology: IHC

Clinical Significance:
Identifies: The alpha/beta chain of the T cell receptor, present on normal T lymphocytes and most T cell neoplasms, e.g., peripheral T cell lymphoma (PTCL), T-lymphoblastic lymphoma/leukemia, mycosis fungoides. Negative on normal B cells, B cell neoplasms, anaplastic large cell lymphoma (ALCL), and NK/T cell neoplasms. Subcellular Localization: Membranous

Organ:

Disease State: Angioimmunoblastic T Cell Lymphoma

CPT Code(s): 88342 or 88341. The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm