Test Name
Solid Tumor – GIST
Test Code
M ST NGS GIST
Synonyms
KIT−exons 9, 11, 13, and 17 PDGFRA−exons 12 and 18
Associations
GIST
CPT Codes
81272, 81314
Turnaround Time
10 days
Specimen Requirements
Formalin Fixed Paraffin Embedded tissue block 3 slides (3-5 uM) per marker on adhesion glass NOTE: Include a surgical pathology report with the sample
Specimen Stability
Indefinite at ambient temperature (18-25°C)
Storage & Handling
Ship ambient. Protect from extreme temperature with an ice pack. Separate ice pack from specimen
Causes for Rejections
Improper specimen labeling; Insufficient sample volume
Description
Detects activating mutations in KIT and PDGFRA. Predicts response to tyrosine kinase inhibitor (TKI) therapy.
