Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

FISH, HER-2/NEU, PARAFFIN BLOCK

ORDERING INFORMATION:
Sunquest Test Code:
H2NBLK      Geisinger Epic Procedure Code: H2NBLK         Geisinger Epic ID: 43766

SPECIMEN COLLECTION
Specimen type:
Tissue
Specimen required:
1 formalin-fixed, paraffin-embedded tumor tissue block, or 6 unstained, positively charged (+) slides, prepared from formalin-fixed, paraffin-embedded tissue. Pathology report must accompany paraffin block or slides.
Special notes:
Test is performed on formalin-fixed, paraffin-embedded tissue from invasive or metastatic breast cancer.

SPECIMEN PROCESSING
Transport temperature:
Room temperature.
Specimen stability:
Block: Room temperature: Indefinitely. Refrigerated: Indefinitely. Frozen: Unacceptable. Slides: Room temperature: 42 days
Rejection criteria:
Fixatives other than formalin. o not freeze.

TEST DETAILS
CPT code(s):
88368 x2
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.
Methodology:
Fluorescence In Situ Hybridization (FISH)
Synonyms:
Quest code 14620, PathVysion®, c-erbB2
Clinical significance:
HER-2 oncogene amplification in stage 2 lymph node positive breast cancer which aids in treatment selection and prognostication

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Monday-Sunday morning    
Performed stat? No
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