Electrolytes, Feces

Test Code
QLYTESFEC


Quest Code
14437


CPT Codes
82438, 84302, 84999

Includes
Sodium, Feces
Potassium, Feces
Chloride, Feces


Preferred Specimen
10 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


Instructions
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 an event a formed fecal specimen is submitted the test will not be performed and cancelled.

Note: Specimen must be shipped frozen to reduce the odor during shipping and to minimize the risk of the container rupturing due to gas accumulation.

This test only has clinical utility if performed on a watery fecal specimen.
⁠⁠⁠⁠⁠⁠⁠Stable up to 3 freeze-thaw cycles.


Transport Container
Plastic leak-proof container


Transport Temperature
Frozen


Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens in paint cans • Formed stool • Specimens received refrigerated


Methodology
Ion Selective Electrode (ISE)

Reference Range
See Laboratory Report


Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.