Osmolality Blood Test
An osmolality blood test is used to evaluate the level of sodium, glucose, and blood urea nitrogen (a byproduct of proteins as they are broken down by the body) in your bloodstream.
Methodology:
Freezing Point Depression
Preparation:
Fasting for 6-8 hours required.
Test Results:
2-4 days. May take longer based on weather, holiday or lab delays.
Walk-In Lab is prohibited from selling LabCorp tests to residents in the following states:NY, NJ, RI, MA, MD
Methodology:
Freezing Point Depression
Preparation:
Fasting for 6-8 hours required.
Test Results:
2-4 days. May take longer based on weather, holiday or lab delays.
Walk-In Lab is prohibited from selling Quest tests to residents in the following states:AZ, NY, NJ, RI
Osmolality
Order an osmolality blood test is used to evaluate the level of sodium, glucose, and blood urea nitrogen (a byproduct of proteins as they are broken down by the body) in your bloodstream. Osmolality is a test that measures the concentration of chemical particles in the fluid part of your blood. Certain toxins and medication therapies that may affect the fluid balance in your blood can be evaluated with an osmolality test.
Who should get tested?
An osmolality may be ordered by your healthcare provider to assist with diagnosing conditions that may influence the osmolality in your blood. These conditions may include dehydration, low or high levels of sodium in your blood, kidney damage, or poisoning from toxic substances. This test may be helpful if you have spoken with your healthcare provider and have decided this screening is right for you.
What will my test results tell me?
Your test results may help your healthcare provider evaluate and diagnose any conditions that may impact the concentration of chemical particles in your blood. Be sure to share your results with your healthcare provider so they can help you determine the next steps in your care.
Are there any risks involved in getting this test?
There is no risk involved in getting this test. You will be asked to give a blood sample at the lab.
