Test Directory

Osmolality, Random, Urine

Print this page

Updated Test Information:

Test Description
Osmolality, Random, Urine
Synonym(s)
Osmolality, Urine
Test ID
UOSMU
General Information
Useful for:
Assessing the concentrating and diluting ability of the kidney
Specimen Type
Urine
Specimen Requirements
Urine Cup
Stability
Refrigerated (preferred) 7 days
Frozen 7 days
Unacceptable Specimen Conditions
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
Methodology
Freezing Point Depression
Estimated TAT
1 day
Testing Schedule
Monday-Sunday
CPT Code(s)
83935
Minimum Sample Volume
1 mL
Reference Range
0-11 months: 50-750 mOsm/kg
> or =12 months: 150-1,150 mOsm/kg
Performing Lab
Mayo
LOINC Code(s)
2695-5