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Osmolality urine - series—Results



Greater-than-normal measurements may indicate:

  • Addison's disease (rare)
  • Congestive heart failure
  • Shock
  • Syndrome of inappropriate ADH secretion

Lower-than-normal measurements may indicate:

  • Aldosteronism (very rare)
  • Diabetes insipidus (rare)
  • Excess fluid intake
  • Renal tubular necrosis
  • Severe pyelonephritis

Review Date 8/29/2015

Updated by: Laura J. Martin, MD, MPH, ABIM Board Certified in Internal Medicine and Hospice and Palliative Medicine, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.