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EGFR Mutation Analysis

Alias/Synonym: FDA Approved, T790M

CPT Code: 81235

Includes:
Specimen Type, Preferred:
Formalin fixed paraffin embedded tissue
Specimen Type, Alternate:
Sample Quantity, Preferred:
1 Block
8 Slides
Sample Quantity, Minimum:
1 Block
5 Slides
Transport Container:
Unstained slides
Paraffin block
Transport Temperature:
Room temperature
Collection Instructions:
Charged slides should be cut at 4-5 microns thick.
Specimen Stability:
Room temperature: Indefinite
Rejection Criteria:
Frozen
Clinical Significance:
Detects mutations at p.G719 in exon 18, exon 19 deletions, p.T790M, p.S768I and insertions in exon 20, and p.L858R and p.L861Q in exon 21 of the EGFR gene.
Limitations:
This test is designed to detect gene mutations only. It is not intended to detect copy number changes or gene rearrangements.
Turnaround Time:
7 - 10 day(s)
Reference Ranges:
Cutoff value % based on assay sensitivity
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