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Osmolality, stool
(Not a routinely available test. See 'Additional information')

Item Value
Available Stat? No
Test code OSMST
Performed by Parnassus & Mission Bay Chemistry
In House Availability Test available 24 hours a day 7 days per week
Method Freezing point depression
Container type Urine cup or clean container
Sample type Watery stool
UCSF Rejection Criteria Non-watery stool received
Normal range
Additional information Only very watery specimens can be tested. Specimen will be centrifuged and the test is run on the supernatant.

As normal samples are not available for validating the performance of this assay, the UCSF Clinical laboratory makes no claims with regard to the accuracy of the result.

All results will be appended with a disclaimer: "The reference range and other method performance specifications have not been established by the UCSF Clinical Laboratory for this body fluid. The test result must be integrated into the clinical context for interpretation."
CPT coding 84999
Last Updated 6/22/2016 12:38:28
Entry Number 1493
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