Anion Gap Panel (Electrolyte Balance)
Test Code
21105
80051
Clinical Significance
Anion Gap Panel (Electrolyte Balance) - This panel comprises a group of 4 tests that provide information on an individual's electrolytes, acid-base, and water balance. A calculated anion gap is included to help diagnose metabolic acidosis. The panel is usually ordered during hospital and emergency room admission to help diagnose a range of conditions as well as monitor certain conditions or treatments that affect electrolyte balance [1].
Symptoms and signs of electrolyte, acid-base, and water imbalance may include dehydration, edema, vomiting, weakness, confusion, and cardiac arrhythmias. These imbalances may be associated with ...
Test Resources
None found for this test
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Test Details
Sodium
Potassium
Chloride
Carbon Dioxide
Electrolyte Balance
Potassium
Chloride
Carbon Dioxide
Electrolyte Balance
Methodology
See individual tests
Reference Range(s)
See individual tests
Preferred Specimen(s)
2 mL serum
Minimum Volume
1 mL
Transport Container
Serum separator tube (SST) or Transport tube
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 28 days
Reject Criteria
Gross hemolysis • Plasma
Setup Schedule
2 mL serum
1 mL
Serum separator tube (SST) or Transport tube
Room temperature
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 28 days
Refrigerated: 72 hours
Frozen: 28 days
Gross hemolysis • Plasma