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Test Code UOSMO Osmolality, Random, Urine

Performing Laboratory

ChristianaCare:

  • Newark Campus
  • Wilmington Campus

Methodology

Freezing Point Depression

Reference Values

500-800 mOsmol/kg H2O

Physician Office Specimen Requirements

Container/Tube:  Urine Container

Specimen:  5 mL from a random urine collection. No preservative.

Collection Instructions:

Note:  Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.

Day(s) Test Set Up

Monday through Sunday

Routine Turnaround Time:  8 hours

STAT Turnaround Time:  1 hour