Osmolality, Urine

Chemistry
6240 RCP
356-3527

Specimen:

Urine

Collection Medium:

Red top tube

Alternate Collection Media:

Call laboratory for additional acceptable specimen collection containers.

Minimum:

3.0 mL urine; do not collect in acid

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

1 hour (upon receipt in laboratory)

Reference Range:

Dependent upon diet and state of hydration. Commonly: 350-1050 mOsm/kg

Methodology:

Freezing Point Depression

CPT Code:

83935