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

Item Value
Approval req'd? No
Available Stat? No
Test code NASTL
Test group Sodium
Performed by Parnassus Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Ion selective electrode (ISE)
Container type Urine cup or clean container
Sample type Watery Stool
UCSF Rejection Criteria Non-watery stool submitted
Normal range
Synonyms Na; Stool Electrolytes
Turn around times 4 hours
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."
Last Updated 8/26/2015 1:44:38 PM
Entry Number 862
Lab Procedure Link Click here for Procedure
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