Serum chloride varies as a function of the body's water and electrolyte homeostasis, in addition to being an index of acid-base. Chloride levels are largely regulated by the action of the kidneys and deranged amounts typically correlate with renal impairment.
Hyperchloraemia: indicates dehydration and is associated with hypernatraemia. Elevated levels also correspond to metabolic acidosis or respiratory alkalosis (through hyperventilation)
Blood: 95-108 mmol/L
|Sample & container required||SST (gold top) 24 hour urine collection|
|Sample volume||Blood: 0.5 mL Urine: 24 hour collection|
|Turnaround time||Blood: 1 day Urine: 2 days|