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Kappa Light Chain, IHC with Interpretation (39615X)
Test Code104968P
CPT Codes
88342
Preferred Specimen
Formalin-fixed, paraffin embedded tissue block
Other Acceptable Specimens
4-micron unstained slides • Fixed tissue • Tissue in neutral buffered formalin
Instructions
Pathology report is required
Transport Container
Paraffin block bag
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable
Refrigerated: Indefinite
Frozen: Unacceptable
Methodology
Immunohistochemical Assay
Setup Schedule
A.M. Sets up 6 days a week.
Clinical Significance
The presence of immunoglobulin light chains (kappa or lambda) on the cell surface is characteristic of clonal proliferation most often seen in multiple myeloma or lymphoproliferative disease