A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Beta-catenin, IHC without Interpretation

Test Code
90194


CPT Codes
88342

Preferred Specimen
1 formalin fixed paraffin block submitted in IHC Specimen Transport Kit


Minimum Volume
1 block • 3 slides


Other Acceptable Specimens
3 sides ustained, positively charged slides IHC Specimen Transport Kit


Instructions
Please include surgical pathology report


Transport Temperature
Room temperature


Specimen Stability
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Do Not Freeze


Methodology
Immunohistochemistry (IHC)

Setup Schedule
Set up: Mon-Fri; Report available: Next day


Reference Range
See Laboratory Report


Clinical Significance
Overexpression of beta-catenin, a cytoplasmic signaling protein, is characteristic of neuroblastoma, in contrast to most other small round blue cell tumors. Desmoid tumors may show both nuclear and cytoplasmic expression for beta-catenin.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153




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.