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Estrogen Receptor (clone SP1) pin


Estrogen Receptor (clone SP1)

Methodology: IHC

Clinical Significance:
Identifies: Estrogen receptor alpha, a prognostic and predictive marker in breast cancer. Antibodies to ER can also be employed as part of a panel of antibodies in the identification of the primary site of carcinomas presenting as metastases. Subcellular Localization: Nuclear

Organ: Breast

Disease State: Carcinomas of Unknown Primary

CPT Code(s): 88360 or 88342 or 88341 (reference only; CPTs may vary)

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm