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Protein, Total and Protein Electrophoresis with Immunofixation, Random Urine
Test Code92690 (41756)
Includes
Creatinine
Preferred Specimen
25 mL urine collected in a plastic urine container, no preservative
Minimum Volume
15 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 5 days
Frozen: 30 days
Refrigerated: 5 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Acid-preserved urine
Methodology
Electrophoresis • Immunofixation • Spectrophotometry (SP)
Setup Schedule
Night Sets up 6 days a week.
Report Available
Reports in 3 to 5 days.
Reference Range
See Laboratory Report
Clinical Significance
Protein electrophoresis evaluates the major protein fractions found in urine. It normally includes albumin, and often faint bands of alpha1 and beta globulin. Urinary protein electrophoresis is useful in classifying the type of renal damage, if present. Immunofixation is useful in characterizing M-components observed in the protein electrophoresis and in identifying light-chain disease.
