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CD163, IHC with Interpretation
Test Code90151
CPT Codes
88342
Preferred Specimen
Minimum: 1 formalin-fixed, paraffin-embedded tissue block
Other Acceptable Specimens
3 unstained slides, positively charged, submitted in an IHC Specimen Transport Kit
Instructions
Please include a 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
See Laboratory Report
Clinical Significance
The monocytic/macrophage marker CD163 shows more specificity for this lineage than CD68 and can be used to identify tissue histiocytes in a variety of reactive and neoplastic conditions.