Osmolality, Urine




Test Mnemonic

UOSM

CPT Codes

  • 83935 - QTY (1)

LOINC ®

2695-5

Performing Laboratory

n/a


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
3 mLUrine, randomClean container RefrigeratedSubmit in CCL aliquot tube.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
3 mLUrine, timed (well-mixed)Clean container   

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
Ambient1 week
Refrigerated1 week
Frozen1 week

Days Performed

Sun - Sat

Turnaround Time

8 hours

Methodology

Name Description
Freezing Point Depression 

Reference Range

Osmolality, Urine
Sex Age From Age To Type Range Range Unit
       Normal50 - 1200mOsm/kg

Special Info

n/a

Clinical Info

Evaluation of dehydration, electrolyte balance.

Clinical Limitation

n/a

Clinical Reference

n/a