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Test Code NBLD0190 Osmolality, Urine

Useful For

  • Evaluating the concentrating ability of kidneys
  • Assessing renal disease, inappropriate secretion of antidiuretic hormone, and diabetes insipidus

Methodology

Freezing Point Depression

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Urine

Container/Tube: Clean container

Specimen Volume: 10 mL

Collection Instructions:

1. Collect a random urine collection.

2. No preservative.

Specimen Transport Temperature

Refrigerated

Specimen Stability

 

Specimen Type Temperature Time
Urine Ambient 4 hours
  Refrigerated 5 days
  Frozen 6 months

 

Reference Values

50-800 mOsm/kg

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83935