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CD123, IHC with Interpretation
Test Code90181
CPT Codes
88342
Preferred Specimen
Formalin-fixed, paraffin-embedded tissue block
Other Acceptable Specimens
Minimum: 3 unstained, positively charged slides
Instructions
Please include surgical pathology report.
Transport Container
IHC Specimen Transport Kit
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
Refrigerated: Indefinitely
Frozen: Unacceptable
Methodology
Immunohistochemistry
Setup Schedule
Set up: Mon-Fri a.m.; Report available: 3 days
Reference Range
Interpretive report
Clinical Significance
CD123 is highly expressed in normal plasmacytoid dendritic cells and in the plasmacytoid dendritic cell neoplasm (also known as hematodermic tumor). Among lymphoproliferative disorders, CD123 expression is largely limited to hairy cell leukemia.