Osmolality
Label Mnemonic: UROS
Epic code: LAB653
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Chemistry
6240 RCP
356-3527
Specimen(s):
Urine
Collection Medium:
Clear 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.
Turn Around 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
 
See Additional Information:
Urine Tests Requiring no Preservatives