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Test Code LYTESTOOL Electrolytes, Quantitative, Feces

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:  

Electrolyte Panel, Stool

AllScripts (AEHR) Orderable:

Electrolyte Panel, Stool

Performing Laboratory

Northwell Health Laboratories


Includes chloride, quantitative feces, potassium, quantitative feces, and sodium quantitative, feces

Specimen Requirements

Collect a minimum of 20 mL of very liquid stool. Send specimen refrigerated in a stool container.

Note:  1. Do not send formed stool. In the event a formed stool is submitted, the test will not be performed; and the report will indicate “A formed stool specimen was submitted for analysis. This test was not performed because it only has clinical value if performed on a watery stool specimen.”

2. Timed collections (24 hour) will also be accepted.


Note: Liquid stool is only acceptable specimen for this test.

Stability:   48 Hours Room Temperature

                   7 Days  Refrigerated

                   14 Days Frozen

                  60 Days Frozen

Reference Values

No established reference values

Test Classification and CPT Coding

82438 - chloride

84302 - sodium

84999 - potassium

Day(s) and Time(s) Performed

Monday through Saturday

Computer Interface Code

PDM #  5302935