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Osmolality Urine

Alternative Names:Urine Osmolality
Laboratory:Clinical Biochemistry
Test Code:UOSM
Specimen Types:Urine random
Container Types:
Plain 70mL pot
Collection & Request Instructions:

10 mL (minimum) random specimen in PLAIN container.

Transport Instructions between Sites and/or Laboratories:Room Temperature
Assay Frequency:Daily
Additional Notes:

Reference Interval:  50—1200 mmol/kg

After 12h fluid restriction:  >850 mmol/kg

R.I. Source: Wong LL & Verbalis JG. Endocrinol Metab Clin North AM 2022; 31(1):121-140,   Rose BD & Post TW. Clin physiology of acid base and electrolyte disorders 2001

Test Performed on Advanced Instruments OsmoPRO Multi-Sample Micro-osmometer.