Table 2.

Workup of nephrotic syndrome.

Lab results	Normal range	Values
C3 complement serum	90–150 mf/dl	33
C4 complement serum	16–47 mg/dl	13
Rheumatoid factor		Negative
ANCA		Negative
Anti-RNP		Negative
Anti-smooth muscle antibody		Negative
Cryoglobulin		Negative
Urine protein	0–30 mg/dl	1610
Urine creatinine	20–200 mg/dl	246