|Available:||Daily, 24 hours|
|Turnaround:||Routine: 3 hours, STAT: 30 minutes|
|Container:||Clean plastic urine collection container with lid|
|Temperature:||Transport to lab within 30 minutes.|
|Rejection:||Contaminated with feces.|
|Uses:||Useful in evaluation of concentrating ability of kidneys, electrolyte and water balance. Used in workup for renal disease, inappropriate secretion of antidiuretic hormone and diabetes insipidus.|
|Limitations:||Simultaneous determination of serum and urine osmolalities may facilitate interpretation of results.|
|Method:||Freezing point depression|
Online referral form
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