Bicarbonate

Clinical Chemistry

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Description

Bicarbonate is the main form in which carbon dioxide is transported in the blood. Bicarbonate is the main buffer which maintains the pH of the blood. Common causes of low bicarbonate: 1. Hyperventilation (eg. due to anxiety, asthma). 2. Renal failure. 3. Diabetic ketoacidosis. 4. Chronic diarrhoea. Common causes of high bicarbonate: 1. COPD (compensated respiratory acidosis). 2. Vomiting. 3. Diuretics.

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Indications

1. Investigation and monitoring of acid-base disturbance. 2. Investigatoin and monitoring of electrolyte disturbance (eg. abnormal sodium, potassium or chloride).

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Sample Type

Serum, SST/Gel. Minimum 2mL (1mL separated serum). Minimise exposure to air.

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Reference Range

Reference ranges are provided on the report. Alternatively, please contact the laboratory for current ranges.

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Turnaround Time

Within 1 day

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Testing Frequency

As required

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Please note: the above information is subject to change and we endeavour to keep this website up to date wherever necessary.