Electrolyte | Intracellular vs. extracellular level | Diagnostic impact | Olympus kit/ISE | Range (mmol/l)a |
---|---|---|---|---|
Ca | Very low | Parathyroidea, bone, kidney | OSR6176 | 1–4 |
Cl | Low; major anion in plasma | Osmotic regulation, acid-base status, kidney | Ion-selective electrode | 50–200 |
K | Major cation, low in plasma | K+ transport system, acid-base status, kidney | Ion-selective electrode | 1–10 |
Na | Low; major cation in plasma | Osmotic regulation, kidney | Ion-selective electrode | 50–200 |
P, inorganic | Higher in cells | P uptake, bone, kidney | OSR6122 | 0.3–6.4 |