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Isolated Proteinuria

See Also
1. Proteinuria
2. Orthostatic Proteinuria
Diagnosis
1. Proteinuria <2000 mg/day without other abnormality
  1. No Hypertension
  2. No Renal Insufficiency
  3. No other urologic or renal abnormalities
2. Diagnosis made on clinical criteria (no specific study)
Labs
1. Urine Microscopy normal
2. Urine Protein 24 Hour collection
  1. Less than 2000 mg protein excretion per day
3. Split 24 Hour Urine Protein collection
  1. Urine Protein >50 mg for 8 hours supine
  2. Contrast with Orthostatic Proteinuria
4. Renal Function tests
  1. Normal Creatinine Clearance
Differential Diagnosis
1. See Proteinuria Causes
Monitoring
1. Consider Nephrology consultation
2. Blood Pressure every 6 months
3. Urinalysis every 6 months
4. Creatinine Clearance every 6 months
Prognosis
1. Renal insufficiency risk: 20% in 10 years

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 5/10/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.