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Estrogen Receptor (ER), IHC with Interpretation
Test CodeMDFCPIHC36160 or 36160
CPT Codes
88360
Preferred Specimen
Formalin-fixed, paraffin embedded tissue in an IHC specimen transport kit
Other Acceptable Specimens
4-micron unstained slides (x5) or fixed tissue or tissue collected in neutral buffered formalin
Instructions
Tumor paraffin block or five 4-micron unstained sections on Poly-L-Lysine or Silane coated slides. See Specimen Collection Section, Oncology. Please submit stained H & E slide and a copy of the pathology report. Ship at room temperature. Do not place paper labels with adhesive backing on slides. Use pencil or xylene resistant pen to write on the frosted end of the slide only. Pathology report is required.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Preferred
Refrigerated: Acceptable
Frozen: Unacceptable
Refrigerated: Acceptable
Frozen: Unacceptable
Methodology
Immunohistochemical Assay
Setup Schedule
Mon-Sat
Report Available
2-3 days
Reference Range
See Laboratory Report
Clinical Significance
The estrogen receptor assay is routinely performed on breast carcinomas to assess responsiveness to endocrine therapy and prognosis.
Performing Laboratory
AmeriPath, Texas
