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Creatine Kinase, Total, Serum or Plasma
0020010
Ordering Recommendation

Nonspecific indicator of muscle inflammation or damage.

Mnemonic
CK
Methodology
Quantitative Enzymatic
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plasma separator tube or serum separator tube. 
Specimen Preparation
Allow specimen to clot completely at room temperature.  Separate serum or plasma from cells ASAP. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Specimens collected in potassium oxalate or sodium fluoride. Grossly hemolyzed specimens. 
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 1 week; Frozen: 1 month 
Reference Interval
Male
0-19 years: By report
20 years and older: 20-200 U/L 

Female
0-19 years: By report
20 years and older:  20-180 U/L
Interpretive Data


Note
CPT Code(s)
82550
Components
Component Test Code*Component Chart NameLOINC
0020010Creatine Kinase, Total, Ser/Pla2157-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • CK
  • CK concentation
  • CK level
  • CPK
  • Creatine Phosphokinase
  • phospho-creatine kinase
  • Total CK