Osmolality Blood Test
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Test Code: 002071
Specimen Type: Blood
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Description:
Osmolality Blood Test
The Osmolality Blood Test provides a measure of the dissolved particles such as sodium, potassium, chloride, glucose, and urea in a blood sample. Osmolality is measured to evaluate the body's water and electrolyte balance. The primary particle which contributes to osmolality in blood is sodium. Low sodium in the blood can be a sign of excessive fluid intake, water retention, or a condition affecting the kidneys' ability to produce urine. People with diabetes may have increased blood glucose levels which can contribute to abnormal osmolality as well.
An Osmolality blood test is typically ordered when a person exhibits symptoms of low sodium levels such as excessive thirst, lethargy, headache, confusion, nausea, or seizures. It can also be used to aid in the diagnosis of conditions such as dehydration, diabetes, and kidney damage. An Osmolality Blood Test may be ordered along with a BUN (Blood Urea Nitrogen) and Glucose Blood Test. A Urine Osmolality test is also available.
Turnaround time for the Osmolality Serum test is typically 2-3 business days.
Where can I find an Osmolaity Blood test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
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