Creatine Kinase
| Order Code: | CK |
| Order Form: | Laboratory Requisition |
Specimen:
Plasma
Collection Medium:
 |
| Plasma Separator Tube |
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood in light green top tube or 1 microtainer for pediatric
patients
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
1 hour (upon receipt in laboratory)
Reference Range:
Male 40-200 u/l; female 35-150 u/l
Comments:
Avoid hemolysis.
Test
Limitations:
Icterus: No significant interference up to an I index of 60
(approximate conjugated and unconjugated bilirubin concentration: 60
mg/dL).
Hemolysis: No significant interference up to an H index of 275
approximate hemoglobin concentration: 275 mg/dL).
Lipemia (Intralipid): No significant interference up to an L index of
1000 (approximate triglycerides concentration: 2000 mg/dL). There is
poor correlation between turbidity and triglycerides concentration.
Reference:
Glick MR, Ryder KW, Jackson SA. Graphical Comparisons of Interferences
in Clinical Chemistry Instrumentation. Clin Chem 1986;32:470-474.
Methodology:
Photometric
Sample
Processing:
Centrifuge at 3000 RPM for 10 minutes.
Aliquot plasma into labeled container and cap.
Aliquot plasma into labeled container and cap.
Sample
Storage:
Refrigerate up to 24 hours.
Transport
Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
82550
See also:
Creatine Kinase-Other, Body Fluid (e.g., surgical drain, pericardial, peritoneal, peritoneal dialysis, pleural, or synovial)
Creatine Kinase-Other, Body Fluid (e.g., surgical drain, pericardial, peritoneal, peritoneal dialysis, pleural, or synovial)