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HelpTest ID UOSMU Osmolality, Random, Urine
Useful For
Assessing the concentrating and diluting ability of the kidney
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Required
Supplies: Urine Tubes, 10 mL (T068)
Container/Tube: Plastic, 10-mL urine tube
Specimen Volume: 5 mL
Collection Instructions: Collect a random urine specimen
Reference Values
0-11 months: 50-750 mOsm/kg
≥12 months: 150-1,150 mOsm/kg
CPT Code Information
83935
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.
Secondary ID
606520Day(s) Performed
Monday through Sunday