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Epidermal Growth Factor Receptor (EGFR), IHC (10479X)

Test Code
10479N


CPT Codes
88342

Preferred Specimen
Tissue, formalin fixed, paraffin embedded tissue block


Other Acceptable Specimens
5-4 micron unstained sections


Instructions
Pathology report is required


Transport Temperature
Room temperature


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


Methodology
Immunohistochemistry (IHC)

Setup Schedule
Set up: Tues, Sat; Report availalbe: 3-4 days


Clinical Significance
To determine overexpression of EGFR in tumor cells. Efficacy of therapies depends on the expression of EGFR in tumor cells and has been reported to be associated with more aggressive diseases.




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.