Osmolality
Label Mnemonic: | OSMS |
Epic code: | LAB107 |
Order form: | Laboratory Requisition |
Supply order: | Supply Order Form |
Billing: | Billing Policies |
CPT code: | 83930 |
Specimen(s):
Plasma
Collection Medium:
Plasma Separator Tube 4.5 mL |
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood in light green tope tube or ONE Microtainer® for
pediatric patients.
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around
Time:
1 hour (upon receipt in laboratory)
Reference Range:
Adult males 280-300 mOsm/kg; adult females 275-295 mOsm/kg
Methodology:
Freezing Point Depression
Sample
Processing:
Centrifuge at a speed and time necessary to get barrier separation of plasma/serum and cells.
Separate plasma or serum into labeled container and cap.
Separate plasma or serum into labeled container and cap.
Sample
Storage:
Refrigerate.
Transport
Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
83930
See also:
Osmolality-Other, Body Fluid
Osmolality-Other, Body Fluid
See Additional Information:
Osmolality Gap Calculator
Osmolality Gap - Calculation and Interpretation
Osmolality Gap Calculator
Osmolality Gap - Calculation and Interpretation