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Lowest PriceOnlineOsmolality, serum or plasma
Osmolality, serum or plasma
Updated 7/24/2025
$30.98
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OnlineOsmolality 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.
Updated 7/22/2025
$115
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