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Alternative names, keywords |
HCO3- |
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Samples required |
● Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples. Transport to lab within 4 hours. |
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Test indications |
Useful test for metabolic acidosis in the absence of COAD avoiding arterial puncture. |
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Factors affecting test performance/ results |
In very rare cases, gammopathy, in particular type IgM (Waldenström’s macroglobulinemia), may cause unreliable results. Results should always be assessed in conjunction with the patient’s medical history, clinical examination and other findings. |
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Reference range |
22 - 29 mmol/L |
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Turnaround time |
Same day (within 1h if urgent) |
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Enquiries |
Biochemistry (Automation) |