Preferred Specimen(s) 10 ml urine from a well mixed random collection. No preservative.
Note: The urinalysis transport tube (yellow-top, blue fill line, preservative tube) cannot be used for protein electrophoresis on urine. Please submit random urine with no preservative.
Transport Container Plastic screw-cap urine container
Transport Temperature Refrigerated 48 hrs
Reject Criteria Acid-preserved urine
Methodology Spectrophotometry
Clinical Significance Proteinuria is characteristic of renal disease and concentrations may be increased with diabetes, hypertension, nephritic syndrome, and drug nephrotoxicity