Imperial Collage Healthcare


Test Background
Also known as total CO2. It is an approximate indicator of acid-base status, eg. low in metabolic acidosis, high in compensated respiratory acidosis.

Clinical Indications

  • Electrolyte imbalance
  • Diabetic ketoacidosis
  • Kidney disease
  • Ethylene glycol/methanol/salicylate poisoning
  • Chronic lung disease

Reference Range

22-29 mmol/L

Sample Required
SST (gold top)

Sample Volume
0.5 mL

Turnaround Time
1 day

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