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HelpEpic Code LAB420 Osmolality, Urine
Test Name Alias
Osmolality Urine | 8836 | SHO8836 | 1230101001
Interface Order Alias
10214
Collection Instructions
Specimen Type: Urine, Random
Container/Tube:
- CHW: Sterile Urine Cup or Pale Yellow Top Urine Tube-no preservative
- CHS: 5 mL Clear Top preferred, Urine Cup or Yellow Top Urine Tube - no preservative
Volume: 5.0 mL
Minimum volume: 2.0 mL
Collection Instructions: No preservatives
- Detailed Instructions (link): Patient Collection Instructions
- Detailed Instructions (link): Urine Collection Guide for Staff
Specimen Transport Temperature
Refrigerated
Specimen Stability
Ambient: 12 hours
Refrigerate: 72 hours
Frozen: aliquot and freeze for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available 24 hours, usual TAT 1 day.
Reference Range
| CHW | CHS |
| 300 – 1,090 mOsm/kg H2O | 50-1,200 mOsm/kg H2O |
Performing Department
Chemistry
Performing Department Laboratory Location
CHW
Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
CHS
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI
Methodology
Freezing point depression
CPT
83935
CDM Code
3018393501
Epic Test ID
1230101001
LOINC
Osmolality UR: 2695-5
Mayo Access Code
SHO8836
Reviewed Date
3/7/2024
Updated Date
5/23/2025 - CHS info added
Orderable Regions
Southwest; West