Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

TISSUE CYPHER FOR BARRETTS
ORDERING INFORMATION:	Geisinger Epic Procedure Code: TCBAR Geisinger Epic ID: 47142
SPECIMEN COLLECTION
Specimen type:	Formalin-fixed, paraffin-embedded tissue (FFPE)
Specimen required:	Paraffin block or 9 glass slides with serial sections taken at 5 micron thickness (1 H&E and 8 unstained slides)
Special notes:	For requests from non-Geisinger sites, please send the paraffin-embedded block with the associated pathology report and slides.
SPECIMEN PROCESSING
Specimen processing instructions:	Ship only Monday-Wednesday.
Transport temperature:	Room temperature.
Specimen stability:	Indefinitely.
Rejection criteria:	Insufficient tissue for testing.
TEST DETAILS
CPT code(s):	88358 x1 and 88361x9
	Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:	Risk score result.
Methodology:	Multiplexed immunofluorescence image analysis
Clinical significance:	Predicts future risk of progression to high grade dysplasia or carcinoma in Barrett's esophagus biopsies