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CD163, IHC with Interpretation
Test Code90151
CPT Codes
88342
Preferred Specimen
Formalin-fixed paraffin embedded tissue in IHC specimen transport kit
Other Acceptable Specimens
Unstained charged(+) slides submitted in IHC specimen transport kit (x5)
Instructions
Please include surgical pathology report
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable
Refrigerated: Indefinite
Frozen: Unacceptable
Methodology
Immunohistochemistry
Setup Schedule
A.M.
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.