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Alternative names, keywords |
Creatine kinase, creatine phosphokinase, CPK |
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Samples required |
● Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples. Avoid haemolysis. |
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Test indications |
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Factors affecting test performance/ results |
Avoid haemolysis. Cyanokit (Hydroxocobalamin) at therapeutic concentrations interferes with the test. 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 |
male: 39 - 308 IU/L |
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Turnaround time |
Same day (within 1h if urgent) |
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Enquiries |
Biochemistry (Automation) |