Alias/Synonym: Estrogen Receptor

CPT Code: 88360

Specimen Type, Preferred:
Formalin fixed paraffin embedded tissue
Specimen Type, Alternate:
Sample Quantity, Preferred:
1 block
2 slides
Sample Quantity, Minimum:
Transport Container:
Paraffin block
Unstained slides
Transport Temperature:
Room temperature
Collection Instructions:
Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Slides should be positively charged and cut at 3-4 microns for each stain/antibody ordered.
Specimen Stability:
Rejection Criteria:
No liquid specimens.
Uncharged slides
Clinical Significance:
Estrogen receptor (ER) is a nuclear transcription factor which mediates regulatory functions of female sex steroids, including growth, differentiation and function in several target tissues, including the female and male reproduct tract, mammary gland, skeletal and cardiovascular systems. In the breast it is a prognostic marker and target for estrogen antagonist therapy. It is also useful as a diagnostic marker for neoplasms of the female genital tract, and may be seen in a variety of other tumor types.
Turnaround Time:
1 day(s)
Reference Ranges: