Code
APH-ERZX-01AX
Test
Active-Compendium
88342 x 1 or 88341 x 1; 88361 x 1; 88360 x 1
Clinical
Pathology
<b>Preferred specimen (FFPE block):</b><br>
A formalin-fixed, paraffin-embedded (FFPE) tissue block is the preferred specimen type. Use 10% NBF fixative; do not use zinc or mercury fixatives.<br>
<b>If submitting slides (instead of a block):</b><br>
Submit the following. All slides cut at 4-5 microns. Please use positively-charged slides and 10% NBF fixative.<br>
<span style="margin-left: 20px;">H&E slide: One (1) unbaked, unstained slide for H&E staining (required)</span><br>
<span style="margin-left: 20px;">Cut Slides: Two (2) positively charged unstained slides for each IHC test/antibody ordered</span><br>
<b>Specimen identification:</b><br>
Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
A formalin-fixed, paraffin-embedded (FFPE) tissue block is the preferred specimen type. Use 10% NBF fixative; do not use zinc or mercury fixatives.<br>
<b>If submitting slides (instead of a block):</b><br>
Submit the following. All slides cut at 4-5 microns. Please use positively-charged slides and 10% NBF fixative.<br>
<span style="margin-left: 20px;">H&E slide: One (1) unbaked, unstained slide for H&E staining (required)</span><br>
<span style="margin-left: 20px;">Cut Slides: Two (2) positively charged unstained slides for each IHC test/antibody ordered</span><br>
<b>Specimen identification:</b><br>
Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Flag Active
True
Orderable Test Description
Estrogen Receptor (ER) belongs to a superfamily of nuclear hormone receptors and is expressed in about 85% of invasive breast cancers. There are two known isoforms of estrogen receptor, ERα and ERß. It is a weak prognostic factor but a strong predictive factor for response to endocrine therapies, both in adjuvant and metastatic settings. The primary indication to assess ER in breast cancer is to predict response to hormonal therapies such as tamoxifen, other selective estrogen receptor modulators (SERMs) and aromatase inhibitors. In univariate analysis, moderate to strong staining in even 1% of the invasive tumor cells is associated with significant improvement in disease-free survival compared to those patients whose tumor lacks ER expression.
Orderable Turn Around Time
1-2 Days
Keywords
Orderable Biomarkers
NY Approved
True
Orderable Biomarkers JSON
{"Immunohistochemistry (IHC)": {"Expression": ["ER"]}}
Keywords string
ER, estrogen receptor, ER IHC, ER expression ER
Title URL
er
TAT Details
Image Analysis for Global: 2 Days
Image Analysis for (Tech-Only): 2 Days
Tech-Only (stain only): 24 Hours
Storage and transportation
Slides may be stored at room temperature; transport with cold pack, making sure cold pack is not in direct contact with specimen.
NYS Clients: Please provide Date and Time of Collection.