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HelpTest Code OSM OSMOLALITY, SERUM
Method
Freezing Point Depression
CPT(s)
| Description | CPT Code |
| Osmolality, Serum | 83930 |
Reference Range
|
Age |
Sex |
Physiological |
Low |
High |
Units |
|
All ages |
All |
N/A |
275 |
295 |
mOsm/kg |
Instrumentation
Advanced Osmometer
Specimen Information
|
Container |
Specimen |
Temperature |
Collect Vol |
Submit Vol |
Minimum Vol |
Stability |
| Serum Separator Tube | Serum |
Refrigerate |
4 mL | 1 mL | 0.5 mL | 7 days |
| Lithium heparin tube (green top) | Plasma | Refrigerate | 4 mL | 1 mL | 0.5 mL | 7 days |
| *Green Microtainer | refrigate | 0.6 mL | 7 days |
*While a microtainer is an optional tube type in rare circumstances, it is not recommended.
LOINC Code Information
| Result Code | Reporting Name | LOINC Code |
| OSM | Osmolality | 2692-2 |
Performing Location
University of Vermont Medical Center
Test Schedule / Analytical Time / Test Priority
Daily / 24 Hours / Available STAT
Section
Chemistry-1
Is the UVMMC lab NY State Certified to perform this testing? Yes/No
Yes