Sodium
Potassium
Chloride
Calcium
- Total 2.15 - 2.60 mmol/L
 Ionised 1.15 - 1.35mmol/L
- Hypocalcaemia - Due to parathyroid hormone, vitamin D or bone metabolism-related disorders 
- Hypercalcaemia - Due to a wide variety of causes 
Hypocalcaemia
Due to parathyroid hormone, vitamin D or bone metabolism-related disorders
Hypercalcaemia
Due to a wide variety of causes