Methodology: IHC

Clinical Significance:
Identifies: A mitochondrial antigen. The presence of increased numbers of mitochondria, and hence fine granular positivity with this antibody, can assist in the analysis of eosinophilic tumors (e.g., oncocytomas) of the kidney.

Subcellular Localization: Cytoplasmic (granular)

Organ: Genitourinary

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