| 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 Code90194
CPT Codes
88342
Preferred Specimen
Formalin-fixed, paraffin-embedded tissue block submitted in an IHC Specimen Transport Kit
Other Acceptable Specimens
3 unstained, (+) positively charged slides
Transport Container
IHC Specimen Transport Kit
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
Refrigerated: Indefinitely
Frozen: Unacceptable
Methodology
Immunohistochemistry (IHC)
Setup Schedule
Set up: Mon-Fri; Report available: Next day
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 |
