TIA-1 pin

IHC

TIA-1

Alternate Test Names:
TIA1

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: Blood/Bone Marrow, Lymph Node / Spleen, Skin & Mucosa, Soft Tissue

Disease State: Anaplastic Large Cell Lymphoma (Systemic or Cutaneous), NK/T Cell Lymphoma, Nasal Type, Peripheral T Cell Lymphoma, NOS (of Large Cell Type), T Cell Non-Hodgkin Lymphoma (not otherwise classified)

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

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