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Test Code CK Creatine Kinase

Additional Codes

EPIC LAB4056

Synonyms

  • CK
  • CPK
  • Creatine Phosphokinase

Clinical Significance

Measurements of creatine kinase and its isoenzymes are used in the diagnosis and treatment of myocardial infarction and muscle diseases such as progressive, Duchenne-type muscular dystrophy.

 

Source: Beckman Coulter Unicel, CK IFU. REF #442635, #476836 12/22/15

Methodology

Enzymatic rate method (Beckman Coulter UniCel DxC 660i)

Sample Type

Preferred Sample Type
Light green top - Plasma

 

Acceptable Sample Type(s)
Dark green top - Plasma
Yellow top - Serum
Red top - Serum

Centrifuge: Yes

Specimen Minimum Volume

0.3 mL

Specimen Stability

Temperature Time
Ambient (18-25°C) 4 hours
Refrigerated (2-8°C) (store) 12 hours
Frozen (-15 to -20°C) 48 hours

Separate plasma or serum from cells within 2 hours.

Reference Ranges

Normal Range
Patient Age Units
Pediatric < 1 month 0 - 457 IU/L
Male > 1 Month 55 - 400 IU/L
Female > 1 Month 30 - 240 IU/L

 

Technical Range
5 - 4,100 IU/L

Rejection Criteria

Hemolysis 1+ or greater reject
Icterus N/A
Lipemia N/A

 

Availability

Performed STAT
24/7 Yes

 

Performing Laboratory

MultiCare Yakima Memorial Hospital Laboratory

Lab Department

Chemistry

CPT Code

82550

LOINC

2157-6 CK [Catalytic activity/Vol]