Casandra
Casandra Test Code NG67863Version 1 (DRAFT)
Performing Lab
HER2 Gastric/GEA
Also known as: HER2 neu
Clinical Use
Order TestUse
Detection of ERBB2 (HER2) gene amplification in gastric, gastroesophageal adenocarcinoma, or GEJ cancers using FISH, to guide therapeutic decisions targeting HER2.
Special Instructions
For global FISH cases, a copy of the HER2 IHC pathology report is required if not in NeoLINK. Client Services will contact you for missing IHC reports. For New York State clients, date and time of collection must be provided.
Limitations
Not provided.
Test Details
New York Approved
Methodology
Chromosomal / Cytogenetics (FISH)
Biomarkers
ERBB2
GeneMutation • Categorical (e.g., Positive / Negative / Indeterminate)
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Tissue (FFPE)
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
For global: H&E slide (required) plus paraffin block. For tech‑only: circle H&E. For cut slides: H&E slide (required) plus 2 unstained slides cut at 4 microns; circle H&E for tech‑only.