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pH, Body fluid
(Not a routinely available test. See 'Additional information')

Item Value
Approval req'd? No
Available Stat? No
Test code PHB
Test group pH
Performed by Parnassus & Mission Bay Chemistry
In House Availability Test available 24 hours per day 7 days per week
Collection Instructions Deliver promptly to laboratory. Refrigerate if delivery delayed > 60 minutes. Specimen label must contain the date the sample was collected and the legible name of the person who collected the sample.
Container type Red top, black top or clean container
Amount to Collect See preferred volume
Sample type Body Fluid
Preferred volume 5 mL fluid
UCSF Rejection Criteria Unrefrigerated sample delivered to laboratory > 2 hours after collection.
Processing notes Deliver to chemistry immediately for processing. Do not open container
Normal range
Stability Room temperature 2 hours, refrigerated 1 day. pH may change with storage, test should be run asap.
Turn around times Stat 1 hour, Routine 4 hours
Additional information 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 83986
LOINC code 2748-2
Last Updated 6/21/2016 14:21:44
Entry Number 732
Lab Procedure Link Click here for Procedure
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