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PTEN, IHC with Interpretation
Test Code90178
CPT Codes
88342
Preferred Specimen
Minimum: 1 formalin-fixed, paraffin-embedded tissue block
Other Acceptable Specimens
3 unstained slides, positively charged, submitted in an IHC Specimen Transport Kit
Instructions
Please include surgical pathology report.
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
Setup Schedule
Set up: Mon-Fri a.m.; Report available: 3 days
Reference Range
See Laboratory Report
Clinical Significance
The phosphatase PTEN is a tumor suppressor whose deletion (or less commonly mutation) is associated with tumor progression and results in loss of PTEN protein expression.
Performing Laboratory
Quest Diagnostics Nichols Institute |
14225 Newbrook Drive |
Chantilly, VA 20153 |