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Test Name:Electrolytes, Feces
Test Number:LAB185
Collect:10 gm Random, very liquid, Stool
Alternate Collect:Timed Collections Acceptable
Container:MAYO - Stool Collection Container
Processing:Submit entire specimen
Transport/Stability:Frozen (preferred) - 14 days
Refrigerated - 7 days
Ambient - 48 hours
Alternate Names:ELS, Electrolytes, Stool
Performing Lab:Mayo Medical Labs (EFPO); R-MM
Days Set Up:Mo - Fr
Expected TAT:3 - 6 Days
Ref. Ranges:Not estabilished
Following reported in mmol/L: Sodium, Chloride, Potassium
Magnesium and Phosphorus reported in mg/dl.
Collection/
Processing Details:
Do Not Send Formed Stool.
Test includes: Osmolality, Sodium, Potassium, Chloride, Magnesium and Phosphorus
Test only has clinical value if performed on a very watery stool specimen.
Method:Freezing Point Depession, AAS and Colorimetric
CPT Codes:82438 Chloride
83735 Magnesium
84302 Sodium
84999 x 2 Potassium & Osmolality
84100 Phosphorus
Supply Connection:Mayo Stool Collection Kit
Date Created:10/30/2007
Revised Date:06/17/2014