CK Total

Abbrev Code:CK   
Order Code:LAB62Order Name:CK Total
Synonyms:Creatine Kinase, Total; CPK
Methodology:Bichromatic rate
St Johns/St Joseph/ Woodwinds: NAC activated
CPT Codes: 82550 x1
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel), St Johns/St Joseph/Woodwinds-Green (lithium heparin, no gel)
Alternate Containers: Green (lithium heparin, no gel), Red (no gel), Red or gold (gel), St Johns/St Joseph/Woodwinds - Red (no gel)
Causes for Rejection:Moderate hemolysis

Processing and Shipping

Specimen Processing:Centrifuge and aliquot within 2 hours of collection 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: Refrigerated - 7 days; frozen - 29 days.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Range, UMMC-East Bank, Oxboro Bloom, Lakes, Ridges, Northland, Southdale, UMMC/UMMCH-West Bank, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's, St. John's, Woodwinds)


Critical Range:Grand Itasca and Range: N/A
St Johns/St Joseph/Woodwinds: Greater than 500 U/L
All other sites: Greater than 1000 U/L
Reference Range:Grand Itasca: F/M 30-323 U/L
St Johns/St Joseph/Woodwinds: F/M 30-190 U/L
All other sites: F 30-225 U/L; M 30-300 U/L
According to literature, the mean total CK levels of black men and women have significantly higher levels than those of white men and women respectively (approximately 50-150% higher).

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