CK Total
| Abbrev Code: | CK | ||
| Order Code: | LAB62 | Order Name: | CK Total |
| Synonyms: | Creatine Kinase, Total; CPK | ||
| Methodology: | Roche: UV test using creating phosphate and ADP
Vista: Bichromatic rate Woodwinds: NAC activated |
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| CPT Codes: | 82550 x1, 82550 x1 | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Collection Instructions: | Chemistry Tests Containers Chart |
| 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: | Roche: 2 days at room temperature; 7 days refrigerated; 4 weeks frozen.
Vista: 7 days refrigerated; 29 days frozen. |
| Test Performed at or Referral Lab | Chemistry (CSC Maple Grove, Roche-CSC Mpls, Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, Roche-UMMC West, Woodwinds) |
Interpretive
| Critical Range: | Woodwinds: Greater than 500 U/L
All other sites: Greater than 1000 U/L |
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| Reference Range: | 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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