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Osmolality, Urine
MessagePerforming Lab: Lakeview, Regions
Test Code
0553
Alias/See Also
Sunquest: OSMOU
CPT Codes
83935
Preferred Specimen
0.5 mL Random Urine
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 1 days
Refrigerated: 2 days
Frozen: Not Recommended
Refrigerated: 2 days
Frozen: Not Recommended
Methodology
Freezing Point Thermodynamics
Setup Schedule
Daily
Report Available
Same day.
Reference Range
Healthy females: 301 - 1093 mOsm/kg
Healthy males: 392 - 1090 mOsm/kg
Convalescent patients: 273 - 896 mOsm/kg
Ward patients House Diet: 288 - 884 mOsm/kg
Lakeview Only: 50 - 1400 mOsm/kg
Healthy males: 392 - 1090 mOsm/kg
Convalescent patients: 273 - 896 mOsm/kg
Ward patients House Diet: 288 - 884 mOsm/kg
Lakeview Only: 50 - 1400 mOsm/kg
Clinical Significance
Aid in diagnosis of acute renal failure, hyponatremia, hypernatremia; renal function; support diagnosis of SIADH, diabetes insipidus.
