Interpretation of serum salicylate levels
|Salicylate (mmol/L)||Salicylate (mg/L)||Interpretation|
|Less than 2.2 mmol/L||Less than 300 mg/L||“Therapeutic”|
|2.3 – 3.6 mmol/L||301 – 500 mg/L||Mild toxicity|
|3.7 – 5.5 mmol/L||501 – 750 mg/L||Moderate toxicity|
|More than 5.6 mmol/L||More than 750 mg/L||Severe toxicity|
N.B. In children, lower levels should be considered to be toxic.
Samples from patients receiving N-acetyl cysteine therapy for paracetamol poisoning will invalidate the salicylate result.
Samples that contain paracetamol may produce a positive bias on the measured salicylate level.
Please contact the laboratory for further advice. ext 2935
Can be added on to an existing request up to 4 days following sample receiptSpecimen Labelling Procedure