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Test Code
ELECF
Test Name
Electrolytes, Stool
CPT Codes
82438, 84302, 84999
Included Tests
  • Sodium, Stool
  • Potassium, Stool
  • Chloride, Stool
Expected Turnaround Time
4 - 8 days
Specimen and Container Info

Specimen Type: Random Stool

Alternate Specimen Type: 24-Hour Timed Stool

Collection Container: Sterile Container

Desired Specimen Volume: 5 g
Collection Instructions
  1. Collect 24 hour or random stool in a sterile container (no preservatives).
  2. Stool must be liquid.
Processing and Submission Instructions
  1. Do not use saline or water to liquify sample.
  2. Transport 5 g of stool in the original collection container.
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Refrigerated

7 days

Frozen

1 month
Causes for Rejection
  • Formed or viscous stool
Methodology
Quantitative Ion-Selective Electrode
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, daily
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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