ARUP's Laboratory Test Directory

Electrolyte Panel : 0020410

Mnemonic: LYTES

Methodology: Quantitative Ion-Selective Electrode/Enzymatic
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Plasma separator tube or serum separator tube.

Specimen Preparation: 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: 0.3 mL)

Storage/Transport Temperature: Refrigerated.

Stability (collection to initiation of testing): After separation from cells: Ambient: 4 hours; Refrigerated: 1 week (tightly capped); Frozen: 1 month
Reference Interval:
By report (reports may vary based on instrumentation)   
Note: This panel includes the following tests: Anion Gap, Carbon Dioxide, Serum or Plasma (0020004), Chloride, Serum or Plasma (0020003), Potassium, Plasma or Serum (0020002), and Sodium, Plasma or Serum (0020001).
CPT Code(s): 80051
Cross References: Electrolytes, Serum or Plasma (Electrolyte Panel)