Normal Values:

Normal values are between 1.002 to 1.028.

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:

Increased urine specific gravity may be due to:

• Dehydration
• Diarrhea
• Excessive sweating
• Glucosuria
• Heart failure (related to decreased blood flow to the kidneys)
• Renal arterial stenosis
• Syndrome of inappropriate antidiuretic hormone secretion (SIADH)
• Vomiting
• Water restriction

• Excessive fluid intake
• Diabetes insipidus - central
• Diabetes insipidus - nephrogenic
• Renal failure (that is, loss of ability to reabsorb water)
• Pyelonephritis

Additional conditions under which the test may be performed:

• Acute tubular necrosis
• Complicated UTI (pyelonephritis)
• Hepatorenal syndrome
• Interstitial nephritis