Geisinger Medical Laboratories Test Catalog
FISH, HER-2/NEU, PARAFFIN BLOCK |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2293 Geisinger Epic ID: 43766 | |
SPECIMEN COLLECTION |
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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 |
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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 |
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CPT code(s): |
88377 | |
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) |
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Synonyms: |
Quest code 14620, PathVysion®, c-erbB2 H2NBLK
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Clinical significance: |
HER-2 oncogene amplification in stage 2 lymph node positive breast cancer which aids in treatment selection and prognostication |