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Specimen Collection Manual and Test Catalog

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ELECTROLYTES, FECES

Geisinger Epic Procedure Code:  LAB2211    Geisinger Epic ID:  49374

SPECIMEN COLLECTION
Specimen type: 

Random liquid stool


Preferred collection container: 
Specimen required: 

10 mL (minimum 2 ml) random watery liquid fecal collected in a plastic screw-cap container, or 24-hour, 48-hour or 72-hour watery liquid fecal collected in a plastic screw-cap container


Special notes: 

Submit a frozen specimen of watery liquid feces in a plastic screw-cap container. Keep feces refrigerated during collection and transport frozen. Only watery liquid feces are an acceptable specimen. In the event a formed fecal specimen is submitted, the test will not be performed and will be cancelled.



SPECIMEN PROCESSING
Processing instructions: 

Sample must be shipped frozen to minimize the risk of the container rupturing due to gas accumulation. See Specimen processing instructions.


Transport temperature: 

Frozen.


Specimen stability: 

Frozen: 60 days.


Rejection criteria: 

Specimens in paint cans. Formed stool. Specimens received refrigerated.



TEST DETAILS
CPT code(s):  82438, 84302, 84311
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Coulometric Titration
Flame Photometric
Synonyms: 

Quest test code 31595, Stool electrolytes, LYTESF


Review Date:  12/16/2024

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