Carbonic Anhydrase IX



  • Tech Only CPT 88342.TC
  • Tech Pro CPT
  • PowerPath Code caix
  • Schedule Monday to 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

Most useful in distinguishing clear cell renal cell carcinoma (positive) from chromophobe renal cell carcinoma (negative), when used in a panel of antibodies, including LMWK and vimentin (positive in clear cell) and CK7, CD117 and e-Cadherin (positive in chromophobe).


Cell Marque