• Tech Only CPT 88342.TC
  • Tech Pro CPT
  • PowerPath Code CALR
  • 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

The calretinin antibody reliably stains mesothelial cells and mesothelioma. It can be used to differentiate mesotheliomafrom adenocarcinoma. It also stains a wide spectrum of neural and non-neural cells including steroid producing cells of the ovary and testis, fat cells, renal tubular cells, and thymic epithelial cells.

Clinical Significance