Protein Electrophoresis With Interpretation, 24-Hour Urine With Reflex to IFE, 24-Hour Urine*

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Category:

Turnaround Time: 2 - 5 days
CPT Code:

84166, 84156

Test Type: 20 mL aliquot, Urine (24-hour)
Reference Range:

Protein,Total, Urine mg/dL Not Estab.
Prot,24hr calculated mg/24 hr 30 - 150
Albumin, U %
Alpha-1-Globulin, U %
Alpha-2-Globulin, U %
Beta Globulin, U %
Gamma Globulin, U %
M-Spike, % Not Observed
M-Spike, mg/24 Not Observed

Overview:

Work up myeloma, macroglobulinemia of Waldenström, lymphoma, amyloidosis; differentiate between normal renal function, glomerular proteinuria, and tubular proteinuria. Increased glomerular permeability leads to higher concentrations of large proteins in the glomerular filtrate. Diminished tubular reabsorptive capacity results in a marked increase in urinary excretion of low molecular weight proteins.

Collection Details:

Collection Instructions:

For random specimens, order test 003715.

12-mL plastic transport tube (LabCorp N° 23597) without preservative.

Mix well.

Refrigerate at 2°C to 8°C.