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Test ID: H2UR    
HER2 Amplification Associated with Urothelial Carcinoma, FISH, Tissue

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Useful For Suggests clinical disorders or settings where the test may be helpful

Guiding therapy for patients with primary or metastatic urothelial tumors, as patients with HER2 amplification may be candidates for therapies that target the human epidermal growth factor receptor 2 (HER2) protein (eg, trastuzumab [Herceptin], pertuzumab)

 

Confirming the presence of HER2 amplification in cases with 2+ (low level) or 3+ (high level) HER2 protein overexpression by immunohistochemistry, and for certain histologic subtypes with aberrant patterns of HER2 expression seen by immunohistochemistry (eg, micropapillary carcinoma).

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

This test does not include a pathology consult. If a pathology consult is requested, PATHC / Pathology Consultation should be ordered and the appropriate FISH test will be ordered and performed at an additional charge.

 

Note: in accordance to criteria set forth in the 2013 American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guideline for breast cancer, reflex testing will not be performed using an alternative chromosome 17 probe when the FISH result is equivocal.

 

A charge and CPT code is applied for each probe set hybridized, analyzed, and reported.

Method Name A short description of the method used to perform the test

Fluorescence In Situ Hybridization (FISH)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

HER2, Urothelial Tumor, FISH,Tissue

Aliases Lists additional common names for a test, as an aid in searching

Bladder Cancer
c-erb-b2 Amplification Test
Urinary Bladder (UCB)