Methodology: IHC

Clinical Significance:
Identifies: An enzyme highly expressed in seminoma. Traditionally employed as a marker of seminoma, there are now more sensitive and specific markers (e.g., Oct-3/4 and SALL4) that can be employed in the identification and subclassification of germ cell tumors.

Subcellular Localization: Cytoplasmic

Organ: Genitourinary, Ovary, Testis

Disease State: Germ Cell Tumors

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