Order Code LAB1123 Osmolality, Serum
Additional Codes
Test Name in EPIC |
EPIC Test Code |
Mnemonic |
RV OSMOLALITY, SERUM |
LAB1123 |
OSMOS |
PRIOR TO 8/1/21: OSMOS
Useful For
Assist in establishing the proper diagnoses and treatments for patients with disorders involving water and electrolyte imbalances.
Specimen Requirements
Specimen Type: Serum
Collection Container/Tube:
Preferred: Plain, red top tube
Acceptable: SST
Specimen Volume: 2 mL
Minumum Volume: 1 mL
Specimen Stability
Specimen Type | Temperature | Stability |
Serum | Ambient | 3 hours |
Refrigerated (preferred) | 24 hours | |
Frozen | N/A |
Reference Values
- Neonate: may be as low as 266 mOsm/kg
- Child/adult: 275 - 295 mOsm/kg
- > 60 years: 280 - 301 mOsm/kg
Day(s) Test Set Up
Monday through Sunday
Performing Laboratory
Ridgeview Medical Center Laboratory
Methodology
Freezing Point Depression
Test Classification and CPT Coding
83930