Synonyms
Protein Gene Product 9.5
Full Description
Identifies a neuron-specific cytoplasmic protein expressed in peripheral and central nerve fibers, neuroendocrine cells, and related tumors. It is a sensitive marker of neural and neuroendocrine differentiation and is useful in evaluating neuroendocrine tumors, paragangliomas, pheochromocytomas, and other neoplasms showing neuronal features.
Methodology
IHC
Specimen Requirements
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred. Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked. Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Storage and Transportation
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
Turnaround Time
24 Hrs
CPT Codes
88342x1 or 88341x1