Osmolality, Urine, Random

Yellow Top Urine Tube

Specimen Type

Test ID   LAB5109
CPT Code(s)   83935
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine:

10 mL random urine in Yellow Top Urine Tube (No Preservative/Additive). See comments

10 ml random urine in sterile specimen cup is acceptable if refrigerated.

  micro: 1 mL random urine in Yellow Top Urine Tube (No Preservative/Additive)
Stability up to 24 hrs refrigerated
Availability 24 hrs/ day
Turnaround Time Routine: 2 hrs
  STAT: 1 hr
Reference Range Normal: Undefined, varies with fluid intake and hydration state; >600 mosm/kg
Comments Other clinical data should be taken into consideration when interpreting these results.

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