Test Catalog

Test ID: ESR1    
Estrogen Receptor 1 (ESR1) Mutation Analysis, Tumor

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

Assisting in the clinical management of patients with metastatic breast cancer by identifying tumors with evolving resistance to endocrine therapy


Stratifying prognosis of metastatic breast cancer

Additional Tests Lists tests that are always performed, at an additional charge, with the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
SLIRVSlide Review in MGNo, (Bill Only)Yes

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

When this test is ordered, slide review will always be performed at an additional charge.

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

Polymerase Chain Reaction (PCR)-Based Next-Generation Sequencing

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


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

ESR1 Mutation Analysis, Tumor

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

ER positive
Estrogen receptor 1
Endocrine therapy
Metastatic breast cancer
Next Gen Sequencing