Differential Diagnosis

Glomerular membrane damage

Impaired tubular reabsorption of protein


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Multiple myeloma

Preeclampsia

Diabetic nephropathy

Suggested Additional Lab Testing

Initial evaluation for renal function with serum or plasma BUN and/or creatinine

If there is concern about an undiagnosed case of diabetes mellitus, evaluation for diabetes

If there is concern about multiple myeloma, serum protein electrophoresis