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β2 microglobulin, serial monitor report; lipid-associated sialic acid (LASA), serial monitor report
β2-microglobulin is increased nonspecifically in active chronic lymphocytic leukemia (CLL) due to increased lymphocyte turnover.
This profile is not useful as a screening or diagnostic test for leukemia or lymphoma.
The LASA test may be considered by Medicare and other carriers as investigational and, therefore, may not be payable as a covered benefit for patients.
See individual tests.
β2-microglobulin is a cell membrane associated 100 amino acid peptide, a component of the lymphocyte HLA complex. It is increased nonspecifically in inflammatory reactions and in active chronic lymphocytic leukemia in which there is increased lymphocyte turnover.
If a red-top tube is used, transfer separated serum to a plastic transport tube.
Causes for Rejection
Hemolysis; whole blood specimen
The account must submit the patient's Social Security number to monitor.