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Mayo Test Catalog, (Sorted By Test Name) - Mayo Medical ...

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IMMG<br />

8156<br />

of specimens that show M-spikes by electrophoresis Detecting urine monoclonal proteins and<br />

identification of specimens that need urine protein electrophoresis<br />

Interpretation: A kappa/lambda (K/L) ratio >6.2 suggests the presence of monoclonal kappa light<br />

chains. A K/L ratio 90% increase in concentration suggests progression or relapse; a >90% decrease suggests<br />

treatment response. Increased kappa and/or lambda light chains may be seen in benign (polyclonal) and<br />

neoplastic (monoclonal) disorders.<br />

Reference Values:<br />

KAPPA TOTAL LIGHT CHAIN<br />

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