Singapore Med J 2015; 56(2): e26–e28;

On page e27, the normal range for carboxyhaemoglobin should have been 0%–10%, and the suggested ranges for non-smokers and smokers are 0%–2% and 0%–10%,(13) respectively.

Table I

Laboratory test results of the patient.

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Hampson NB, Hauff NM. Carboxyhemoglobin levels in carbon monoxide poisoning: do they correlate with the clinical picture?. Am J Emerg Med. 2008;26:665-9.
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