Osmolality, Urine, 24 Hour

Container Type

Test ID   LAB5108
EPIC Order
CPT Code(s)   83935
Group/Individual Test   Group
Laboratory   Core Laboratory
Tube Station   Deliver directly to the laboratory
Specimen Routine: 24 hrs or Timed urine, container "A", NO preservatives
Stability Refrigerated - 24 hrs
Availability 24 hrs/ day
Turnaround Time   Routine 2 hrs.; STAT 1 hr.
Reference Range Normal: Varies with fluid intake;~300-900 mOsm/kg.H2O
Provide start and stop times.
Keep container refrigerated during collection.

Reviewed by Christopher Parker on January 13, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514