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22585 Electrolytes, Feces

Electrolytes, Feces
Test Code: LYTE-O
Synonyms/Keywords
Lytes, Feces, Fecal Na/K/Cl​
Test Components
Panel includes Sodium, Potassium, and Chloride results.​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No Stool​
Sage Cup
Sterile Container
​
 ​ 10 mL​ 0.4 mL​ ​
Collection Processing Instructions
Formed stool specimens cannot be analyzed. Stool must be liquid enough to provide 0.4 mL liquid supernatant when centrifuged.
 
Other specimen types can be analyzed, however, reference ranges have not been established.
Specimen type should be added as a comment​
Specimen Stability Information
Specimen Type Temperature Time
Stool​ ​ Ambient​ 24 hours​
Refrigerate​ 7 days​
Rejection Criteria
Formed stool
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ Less than 2 hours​ ISE/Beckman AU​
Reference Range Information
Performing Location Reference Range
Marshfield​ Random stool (Mean Values):
Sodium: 40 mmol/L
Potassium: 90 mmol/L
Chloride: 15 mmol/L​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82438 ​ ​ ​ Chloride​ ​
84302  ​ ​ ​ Sodium​ ​
84132 ​ ​ ​  Potassium​ ​
Synonyms/Keywords
Lytes, Feces, Fecal Na/K/Cl​
Test Components
Panel includes Sodium, Potassium, and Chloride results.​
Ordering Applications
Ordering Application Description
​Centricity ​Lytes
​Cerner ​Lytes-Feces
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No Stool​
Sage Cup
Sterile Container
​
 ​ 10 mL​ 0.4 mL​ ​
Collection Processing
Formed stool specimens cannot be analyzed. Stool must be liquid enough to provide 0.4 mL liquid supernatant when centrifuged.
 
Other specimen types can be analyzed, however, reference ranges have not been established.
Specimen type should be added as a comment​
Specimen Stability Information
Specimen Type Temperature Time
Stool​ ​ Ambient​ 24 hours​
Refrigerate​ 7 days​
Rejection Criteria
Formed stool
Test Components
Panel includes Sodium, Potassium, and Chloride results.​
Reference Range Information
Performing Location Reference Range
Marshfield​ Random stool (Mean Values):
Sodium: 40 mmol/L
Potassium: 90 mmol/L
Chloride: 15 mmol/L​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ Less than 2 hours​ ISE/Beckman AU​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82438 ​ ​ ​ Chloride​ ​
84302  ​ ​ ​ Sodium​ ​
84132 ​ ​ ​  Potassium​ ​
For most current information refer to the Marshfield Laboratory online reference manual.