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TFE3 (test is no longer offered) pin

IHC

TFE3 (test is no longer offered)

Methodology: IHC

Clinical Significance:
Identifies: Transcription factor E3, a member of the helix-loop-helix family of transcription factor. Overexpression of TFE3 results from the presence of a chromosomal translocation involving Xp11, present in alveolar soft part sarcoma and a subset of “translocation” renal cell carcinomas. Subcellular Localization: Nuclear

Organ: Genitourinary Tumors

Disease State:

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