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HelpTest Code Billings Clinic: 4027 Osmolality, Serum
Additional Codes
| Ordering Mnemonic |
|---|
| MayoAccess: BCL106 |
Performing Laboratory
Billings Clinic Laboratory: Chemistry
Methodology
Freezing Point Depression
Specimen Requirements
- Draw blood in a serum gel tube(s).
- Plasma is not acceptable.
- Spin down and send 1 mL of serum refrigerated.
Storage/Stability
| Specimen Type | Temperature | Time |
| Serum | Refrigerated | 48 hours |
| Ambient | 48 hours |
Reference Values
285-310 mosmol/kg
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
83930 - Osmolality, Blood