Methodology: IHC

Clinical Significance:
Insulin

Identifies: The hormone produced by the beta cells of the pancreas and a marker useful in the subclassification of pancreatic islet cell neoplasms (i.e., identification of insulinomas).

Subcellular Localization: Cytoplasmic

Organ: Hormones, Pancreas

Disease State:

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