ARUP's Laboratory Test Directory

Creatine Kinase, Total, Serum or Plasma : 0020010

Mnemonic: CK

Methodology: Enzymatic
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One  4 mL plasma separator tube or serum separator tube.

Transport:  1 mL plasma or serum at 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.2 mL plasma or serum at 2-8°C.

Remarks:  Allow specimen to clot completely at room temperature.  Separate serum or plasma from cells ASAP.

Unacceptable Conditions:  Gross hemolysis, EDTA, sodium fluoride/potassium oxalate.

Stability:  After separation from cells: Ambient: 4 hours; Refrigerated: 5 days; 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
CPT Code(s): 82550
 
 

 

 

 
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