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HelpTest Code LYTES Electrolytes Panel
Reference Range
Refer to Sodium, Potassium, Chloride, and CO2 for reference ranges and critical values.
Test Schedule / Analytical Time / Test Priority
Daily / Same Day / Available STAT
Specimen Information
Obtain specimen using standard phlebotomy techniques.
No special patient preparation is necessary.
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| SST | Serum | Refrigerate | 4 mL | 1 mL | 0.5 mL | 48 Hrs |
| Lithium Heparin | Plasma | Refrigerate | 4 mL | 1 mL | 0.5 mL | 48 Hrs |
Reject Due To:
- Moderate or Marked Hemolysis
- Specimen unlabeled or mislabeled
Instrumentation / Method
Ortho Vitros XT 7600 / Varies (See individual tests)
CPT / LOINC / Ordering
| Meditech | Medent | LOINC | CPT |
| LYTES | LYTES | 80051 |
Calculation
AGAP = NA - (CL + CO2)