Progesterone Receptor
Order Code: IPRF
Order Form: Anatomic Pathology Consult Requisition
Specimen:
Tissue or FNA
Testing Schedule:
0800-1630 Monday through Friday.
Analytic Time:
2 days
Reference Range:
The pathologist will provide an interpretative report.
Comments:
Progesterone Receptor (PR) expression in breast carcinomas, similar to estrogen receptor positivity, has been associated with tumor responsiveness to hormonal therapy. Immunohistochemical (IHC) staining of formalin-fixed, paraffin-embedded tumor sections has proven to be a sensitive means of defining positivity. An immunohistochemical score is generated by the interpreting pathologist. A score >2 has been used to define PR positivity.
Methodology:
Immunohistochemistry
Instructions:
Contact University of Iowa Diagnostic Laboratories
1-866-844-2522 (toll free)
319-384-7213 (Fax)
CPT Code:
88342 (Technical) 88342-26 Professional Interpretation)
 
See also:
Estrogen Receptor, Tissue or FNA
 
See Additional Information:
Consultation Overview