| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Progesterone Receptor (PR), IHC with Interpretation [36159X]
Test Code36159
CPT Codes
88360
Preferred Specimen
Formalin-fixed, paraffin embedded tissue submitted in an IHC specimen transport kit
Other Acceptable Specimens
3 unstained, (+) positively charged slides
Instructions
Please include surgical pathology report.
Per ASCO/CAP guidelines, ER (Estrogen Receptor) and PR (Progesterone Receptor) positivity requires at least 1% of tumor cells to show positive nuclear staining of any intensity. A negative result for ER and PR will be reported if < 1% of tumor cells show staining.
Per ASCO/CAP guidelines, ER (Estrogen Receptor) and PR (Progesterone Receptor) positivity requires at least 1% of tumor cells to show positive nuclear staining of any intensity. A negative result for ER and PR will be reported if < 1% of tumor cells show staining.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
Refrigerated: Indefinitely
Frozen: Unacceptable
Methodology
Immunohistochemical Assay
Setup Schedule
Set up: Mon-Fri; Report available: 2 days
Reference Range
Interpretive report
Clinical Significance
The presence of progesterone receptors in tumor tissue cells is used to select drug therapy, especially in women with breast carcinoma.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
