Creatine Kinase |
Ordering information: | Marker of muscle damamge - usefull to determine kidney risk in comparment syndrome, crush injuries, patients with a long lie/ long immobility. NOT FOR CARDIAC USE. |
Alternate names: | CK |
Laboratory: | Biochemistry |
Test Code: | CK |
Specimen types: | Serum |
Container types: | | Serum tube with gel |  |
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Collection Instructions: | Transport specimen at Room Temperature to lab
Sample haemolysis may make this test unreportable |
Minimum Adult Volume: | 1 mL |
Paediatric Minimum Volume: | 0.5 mL |
Notes: | CK should only be used in the early stages of myocardial infarction. If the CK is normal shortly after onset of chest pain, thought to be of myocardial origin, then a repeat estimation 3-4 hrs later may be helpful
Skeletal muscle CK is elevated in several situations, eg: post-operatively, after intramuscular injections, following trauma or vigourous exercise, and in some diseases of skeletal muscle
See also - Troponin T, MB Fraction |
Frequency: | Daily |
Result Turnaround Time: | 4 hours |
Reference Interval: |
| Males |
40 - 250 U/L |
| Females |
30 - 150 U/L |
The reference range is skewed. CK values > 220 are not uncommon in healthy 'normals'.
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