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Test Code OSMORU Osmolality, Random, Urine

Performing Laboratory

Northwell Health Laboratories


Freezing Point Depression

Reference Values


50 – 1200 mOsm/kg.

Test Classification and CPT Coding


Day(s) and Time(s) Performed

Monday through Sunday

Physician Office Specimen Requirements

10 mL from a random urine collection. No preservative. Send specimen refrigerated in a plastic urine container.