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Prostein, IHC without Interpretation
Test Code91320
CPT Codes
88342
Preferred Specimen
1 formalin-fixed, paraffin-embedded tissue block
Minimum Volume
1 Block
Other Acceptable Specimens
3 unstained, (+) charged slides, submitted in IHC Specimen Transport Kit
Transport Container
IHC Specimen Transport Kit
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable
Refrigerated: Indefinite
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received frozen
Methodology
Immunohistochemistry (IHC)
Setup Schedule
Setup: Mon-Fri a.m.; Report available: Next day
Reference Range
See Laboratory Report
Clinical Significance
A cytoplasmic marker of prostate epithelium; prostein (p501s) is positive in 85-90% of metastatic carcinomas of prostatic origin. This antibody, in combination with PSA, can be used to sensitively and specifically detect metastatic prostate cancer.
Performing Laboratory
Quest Diagnostics Nichols Institute |
14225 Newbrook Drive |
Chantilly, VA 20153 |