Osmolality, Urine

Specimen Tube Type Transport

Urine Container

Critical Value

Male/Females and all ages the same: <90 mOsm/kg or >1,000 mOsm/kg

Summary Test Name

Osmolality, Urine

Transport Time

Should be received in lab within 1 hour of collection

Specimen Preparation Outreach

Refrigerate until courier pickup

Specimen Stability

72 hours if refrigerated

Minimum Volume

0.5 ml urine

Specimen Transport

Refrigerate

Specimen Preparation In House

Spin/separate and refrigerate until analysis

Stat Availability

24 hours a day, seven days a week

Test Turnaround Time Routines And Stats

R 4 hours S 2 hours

Reference Value

Male/Female and all ages the same: 100 -1000 mOsm/kg