Quantitative Ion-Selective Electrode
Within 24 hours
Plasma separator tube or serum separator tube.
Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Body Fluid (refer to Sodium, Fluid, ARUP test code 0020154). Urine (refer to Sodium, Urine, ARUP test code 0020851). Specimens collected in potassium oxalate, sodium citrate, or sodium fluoride.
After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 6 months
No compliance statements are in use for this test.
|Component Test Code*||Component Chart Name||LOINC|
|0020001||Sodium, Serum or Plasma||2951-2|
- K and NA blood concentration
- K and Na blood level
- K and Na Plasma or Serum
- K+ and Na+
- Na+ and K+