| Test | Creatine Kinase (CK) |
| Department | Clinical Biochemistry, Rotherham NHS Foundation Trust |
| Comment | Isoenzyme analysis available (rarely required) |
| Sample type | Blood |
| Sample tube | Serum (brown top) or lithium heparin plasma (orange top) |
| Collection conditions | No special requirements |
| Minimum volume | 0.5 ml blood (100ul of serum absolute minimum) |
| Reference ranges (adult) |
Male = 40 - 320 U/L Female = 25 - 200 U/L |
| Reference ranges (paediatric) |
Neonatal = up to 900 U/L Infant = 100 - 480 U/L |
| Author | Dr Robert Lord (Consultant) |
| Date | 07.04.11 |
| Interpretation | http://www.clinbiochem.info/labck2.1.pdf |
