Chloride
| Category | Biochemistry |
|---|---|
| Test background |
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. |
| Clinical Indications |
Hyperchloraemia: indicates dehydration and is associated with hypernatraemia. Elevated levels also correspond to metabolic acidosis or respiratory alkalosis (through hyperventilation) |
| Reference range | 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 |