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APWT-1
WT-1, IMMUNOHISTOCHEMISTRY STAIN

Test Code APWT-1 
Test WT-1, IMMUNOHISTOCHEMISTRY STAIN 
Description WT-1 (Wilm’s Tumor Protein) is a tumor-supressor gene expressed in developing renal tissue and other mesenchymal tissue. Inactivation of this protein results in development in Wilm’s tumor, a pediatric renal malignancy. This protein has been identified in proliferative mesothelial cells, malignant mesothelioma, ovarian cystadenocarcinomas, gonadoblastoma, neuroblastoma, and desmoplastic small round cell tumors.

NOTE: This test is usually ordered in conjunction with a pathology consultation. The pathology professional component will be billed separately by the consulting pathologist. 

Specimen Formalin-fixed or paraffin-embedded tissue specimen 
Reference Values An interpretive report will be provided. 
Analytic Time 2 Days 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 88342