Villin, IHC without Interpretation

Test Code
90239


CPT Codes
88342

Preferred Specimen
Formalin fixed paraffin embedded tissue in an IHC specimen transport kit


Other Acceptable Specimens
Unstained charged (+) slides collected in IHC specimen transport kit (x5)


Transport Temperature
Room temperature


Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable


Methodology
Immunohistochemistry

Setup Schedule
A.M. Sets up 5 days a week.


Clinical Significance
Villin, a cytoskeletal component of intestinal and renal epithelium, is most commonly used to differentiate metastatic carcinomas of intestinal origin from lung or breast. However, villin can also be positive in renal cell carcinoma, bladder carcinoma, and ovarian mucinous carcinomas.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.