| Ordering Code | 150 |
|---|---|
| Test Name | CK, Total |
| Alias | Creatine Kinase Creatine Phosphokinase Total CK CPK |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Serum in Plain (Red), Plasma in Lithium Heparin (Green-PST), Plasma in Lithium Heparin (Dark Green-PP No Gel) |
| Optimum Volume | 1 mL |
| Handling Instructions | All specimen types must be centrifuged within 2 hours of collection. If no gel separation present in tube and testing is delayed, plasma/serum is aliquoted from cells within 2 hours of collection. |
| Transport Requirements | Oahu: Frozen Airline: Frozen |
| Specimen Stability | Ambient: 4 Hours Refrigerated: 12 Hours Frozen: 1 Month (Aliquot) Frozen samples should be thawed only once. |
| Rejection Criteria | Specimen older than stability limits, Grossly hemolyzed, Insufficient quantity |
| Avail. Stat | YES |
| Analytic Time | 1 Day |
| Methodology | IFCC-CK (NAC Activated) |
Reference range(s)
The reference ranges listed below are valid on this date of November 22, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| CK, Total | ALL | 39-308 | 26-192 | U/L |
