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Random Urine Collection
Specimen Requirements
Preferred:
Container/Tube: Random Urine Collection
Minimum Volume: 1 mL Random Urine Sample
Specimen Stability
It is recommended that urine assays be tested within 1 hour of collection
Reference Range
50 – 1200 mOsm/kg
Methodology
Freezing Point Depression
CPT
83935
Lab Handling
If urine and serum are ordered together, they should be collected within 1 hr of each other.