• Tech Only CPT 88342.TC
  • Tech Pro CPT
  • PowerPath Code CD68
  • Schedule Monday - Friday
  • Turn Around Time Within 1-2 business days of receipt
  • Methodology IHC

Specimen Requirements

Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.

Diagnostic Utility

CD68 marks cells of monocyte / macrophage lineage, and KP-1 labels monocytes/macrophages in general, Kupffer cells, osteoclasts, Langerhans cells, etc. Since it recognizes an epitope associated with lysosome, any cells that are rich in lysosome may be stained.