Methodology: IHC

Clinical Significance:
This is an oncofetal RNA binding protein normally expressed in embryonal tissues and re-expressed in a significant fraction of neoplastic cells, but generally not expressed in normal adult tissues. IMP3 may be helpful in the identification of malignant tumors. Subcellular localization: Cytoplasmic

Organ: Lung

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