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TIA-1 pin

IHC

TIA-1

Methodology: IHC

Clinical Significance:
Identifies: A cytoplasmic protein expressed in a coarse granular pattern in both cytotoxic T cells and NK cells, and on neoplasms arising from these cell types, including the majority of anaplastic large cell lymphomas. Subcellular Localization: Granular and cytoplasmic staining

Organ: Skin & Mucosa

Disease State: Anaplastic Large Cell Lymphoma (Systemic or Cutaneous)

CPT Code(s): 88342 or 88341 (reference only; CPTs may vary)

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