Test Code CPK Creatine Kinase (Creatine Phosphokinase)
Performing Laboratory
Hunterdon Medical Center Laboratory
Useful For
Creatine Kinase (CK) or Creatine Phosphokinase (CPK) is a cellular enzyme found mainly in cardiac and skeletal muscle. CK/CPK is usually elevated following acute myocardial infarction (AMI) or skeletal muscle damage.
Specimen Required
| Container/Tube | |
| Acceptable | PST (Li Hep) Gel- Mint Green Top |
| Acceptable | SST |
| Specimen Volume | 3.0 mL |
| Minimum Volume | 1.0 mL |
Specimen Type
Plasma/Serum
Specimen Transport Temperature
Ambient
Specimen Stability
| Specimen | Temperature | Time Frame |
| Plasma | Refrigerated 2-8°C | 7 days |
| Serum-gel tube | Refrigerated 2-8°C | 7 days |
Updated June 2020
Reject Specimen Due To
Hemolysis
Day(s) Test Set up
Monday through Sunday
Available STAT
Reference Values
| Age | Female | Male | Units |
| 0-3 years | 10-134 | 10-163 | U/L |
| >3 years-16 years | 10-144 | 10-238 | U/L |
| >16 years | 20-180 | 20-200 | U/L |
Methodology
UV-test. Enzymatic photometric assay.
CPT Code
82550
Loinc Code
2157-6