Immunofixation Electrophoresis, Blood and Urine
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To identify the individual types of immunoglobulins, toward diagnosing diseases such as multiple myeloma, and to evaluate effectiveness of chemotherapy.
Serum collected in a gold-, red-, or red/gray-top tube. Place separated serum in a standard transport tube within 2 hr of collection. Urine from a random or timed collection in a clean plastic container.
(Method: Immunoprecipitation combined with electrophoresis) Test results are interpreted by a pathologist. Normal placement and intensity of staining provide information about the immunoglobulin bands.