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Osmolality, Random Urine
Alternative Names/Synonyms
N/A
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Urine
Test Code
OSMUR
Clinical Significance
Assisting in the diagnosis and monitoring of electrolyte and/or water balance disorders.
Specimen Requirements (Sample Type)
Urine
Specimen Requirements (Volume (mL))
0.5 mL
Specimen Requirements (Tube Type)
Sterile Urine Container
Clear Top Urine Tube
Collection Containers – Tube Types
Collection Requirements
Collection Instructions
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
Osmo1 Osmometer, freezing point depression
Test Availability
24 hours a day, 7 days a week
STAT Turnaround Time
1 hour
Routine Turnaround Time
1 hour
Reference Ranges
None - urine osmolality should always be interpreted in context of serum/plasma osmolality.
Laboratory Contact Information
416-586-4800 extension 4688