Laboratory Medicine
Test catalogue
Osmolality, Serum | |
---|---|
Test NameOsmolality, Serum |
|
Specimen Type / RequirementsContainer Type = 1 Gold Top (SST) Minimum Testing Volume = 1ml serum Heparinized plasma is also acceptable. Tube must fill to at least ½ or greater of its vacuum capacity |
|
Specimen HandlingCollection Instructions: Serum or heparinized plasma collected with or without gel separator. Write your initials, date and time of collection on the collection label or requisition. Special Instructions Serum or heparinized plasma free from hemolysis collected with or without gel separator. Separate serum or plasma from cells within 2 hours of collection Rejection Criteria: Unlabeled or samples of non sufficient quantity. Stability: Stable for 1 week at 2-8°C. Transportation: Send sample to core lab as soon as possible. |
|
Required Documentation |
|
Turnaround Time (TAT)Same Day |
Test Utilization |
Reference ValueSerum 280 – 300 mOsm/kg Critical values: < 250mOsm/kg and > 330 mOsm /kg |
|
Test CodeOSM |
MethodologyFreezing-point depression osmometry |
Testing LocationSMH-Biochemistry |
Other InformationLast Updated: July 07, 2021
|