Alternate Test Names:
Identifies: The Ki-67 defined antigen, a nuclear protein expressed in proliferating (i.e., non-G0) cells. Used as a quantitative marker of cell proliferation in tumors.
Subcellular Localization: Nuclear
CPT Code(s): 88360 (reference only; CPTs may vary)
Turnaround Time: Within 1-2 business days of receipt
Schedule: Monday - Friday
• 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