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Anion Gap Panel (Electrolyte Balance)
Test Code10058
CPT Codes
80051<br>Restricted Client Code
Includes
Sodium
Potassium
Chloride
Carbon Dioxide
Anion Gap (calc)
Potassium
Chloride
Carbon Dioxide
Anion Gap (calc)
Preferred Specimen
1 mL serum collected in a serum separator tube
Minimum Volume
0.5 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 28 days
Refrigerated: 72 hours
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Plasma
Methodology
See individual tests
Setup Schedule
Set up: Daily; Report available: Next day
Reference Range
See individual tests
Clinical Significance
Anion Gap is a calculated parameter indicating Acid-Base imbalance. Increased anion gap is associated with metabolic acidosis.
