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Tyrosinase pin



Methodology: IHC

Clinical Significance:
Identifies: The rate limiting enzyme for controlling the production of melanin, and thus a marker of melanocytic cells and tumors. A less sensitive marker of melanoma than gp100 (identified by HMB-45) and MART-1. Subcellular Localization: Cytoplasmic

Organ: Skin & Mucosa

Disease State: Melanoma

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