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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