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CD2, IHC without Interpretation
Test Code19999X
CPT Codes
88341
Preferred Specimen
Formalin fixed paraffin embedded tissue in an IHC specimen transport kit
Other Acceptable Specimens
4-micron unstained slides (x5) • Fixed tissue
Instructions
Tumor paraffin block (formalin-fixed only) or five 4-micron unstained sections on Poly-L-Lysine or Silane coated slides. See Specimen Collection Section, Oncology. Ship at room temperature. Do not place paper labels with adhesive backing on slides. Use pencil or xylene resistant pen to write on the frosted end of the slide only. Pathology report is required.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable
Refrigerated: Indefinite
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Tissue in formalin
Methodology
Immunohistochemistry (IHC)
Setup Schedule
A.M.
Clinical Significance
The CD2 antigen (LFA-2) is a monomeric 45 to 58 kD glycoprotein. It is an accessory molecule important in mediating the adhesion of activated T-cells and thymocytes with antigen-presenting cells and target cells.
