Osmolality in the blood measured in milliosmoles per kilogram (mOsm/kg).
(Normal ranges)
• adults: 275 to 295 mOsm/kg
• children: 275 to 290 mOsm/kg
(Conditions higher than normal)
• dehydration
• hypernatremia
• hyperglycemia
• diabetes insipidus
• kidney problems
• Blood loss due to injury or prolonged vomiting or diarrhea.
(Conditions lower than normal)
• overhydration
• hyponatremia
• Underactive thyroid gland.
• Too much antidiuretic hormone (vasopressin).
• Too much water or fluid intake.