Alternative names, keywords |
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Samples required |
● Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples. |
Test indications |
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Factors affecting test performance/ results |
There is the possibility that other substances and/or factors may interfere with the test and cause unreliable results. Results should always be assessed in conjunction with the patient’s medical history, clinical examination and other findings. |
Reference range |
Therapeutic range variable, but < 300 mg/L Suspected overdose: refer to local guidelines |
Turnaround time |
Same day (within 2h if urgent) |
Enquiries |
Biochemistry (Automation) |