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Lambda Light Chain, IHC with Interpretation (38996X)
Test Code105007P
CPT Codes
88342
Preferred Specimen
Formalin fixed paraffin embedded tissue in an IHC specimen transport kit
Other Acceptable Specimens
4-micron unstained slides (x5) • Fixed tissue • Tissue in neutral buffered formalin
Instructions
Pathology report is required
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 and lambda) on the cell surface is characteristic of clonal proliferation most often seen in multiple myeloma and lymphoproliferative diseases.