Electrolyte Panel

CPT: 80051
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Test Details

Test Includes

Carbon dioxide; chloride; potassium; sodium


Ion-selective electrode (ISE); enzymatic

Specimen Requirements


Serum (preferred) or plasma


2 mL

Minimum Volume

0.8 mL


Gel-barrier tube (send entire tube) preferred. Red-top tube or green-top (heparin) tube is acceptable if centrifuged within 45 minutes and the serum or plasma is removed and placed in a tightly-stoppered secondary tube.


Separate serum or plasma from cells within 45 minutes of collection; avoid hemolysis.

Storage Instructions

Room temperature

Stability Requirements



Room temperature

14 days


14 days


14 days

Freeze/thaw cycles

Stable x3

Causes for Rejection

Hemolysis; improper labeling


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
303754 Electrolyte Panel 24326-1 001180 Potassium, Serum mmol/L 2823-3
303754 Electrolyte Panel 24326-1 001198 Sodium, Serum mmol/L 2951-2
303754 Electrolyte Panel 24326-1 001206 Chloride, Serum mmol/L 2075-0
303754 Electrolyte Panel 24326-1 001578 Carbon Dioxide, Total mmol/L 2028-9

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