Normal Values:

For a random urine sample, the normal values are approximately 0 to 8 mg/dL.

For a 24-hour urine collection, the normal value is less than 150 mg per 24 hours.

Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What abnormal results mean:

Abnormal results may be due to:

• Amyloidosis
• Bacterial pyelonephritis
• Bladder tumor
• Congestive heart failure
• Diabetic nephropathy
• Glomerulonephritis
• Goodpasture syndrome
• Heavy metal poisoning
• Lupus erythematosus
• Malignant hypertension
• Multiple myeloma
• Nephrotic syndrome
• Nephrotoxic drug therapy
• Polycystic kidney disease
• Preeclampsia

Additional conditions under which the test may be performed:

• Acute nephritic syndrome
• Complicated urinary tract infection (pyelonephritis)
• Eclampsia
• Hemolytic-uremic syndrome (HUS)
• Interstitial nephritis
• Medullary cystic kidney disease
• Membranoproliferative GN I
• Membranoproliferative GN II
• Membranous nephropathy
• Necrotizing vasculitis
• Post-streptococcal GN
• Rapidly progressive (crescentic) glomerulonephritis
• Reflux nephropathy
• Renal vein thrombosis
• Rocky Mountain spotted fever