Epic Code LAB62 Creatine Kinase (CK)
Test Name Alias
1230100529
Interface Order Alias
10035
Collection Instructions
Specimen Collection: Blood
Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)
Preferred Volume to Collect: 4.5 mL
Minimum Volume to Collect: 1.0 mL
Neonate Volume to Collect: 0.5 mL
Capillary collect ok? Yes
Microtainer acceptable: Yes
Collection Instructions:
- After collection, gently invert tube 8-10 times.
- Specimen should be processed within 2 hours See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
Processed Specimen: Serum or Plasma
Centrifuge/Spin: Yes
Aliquot: Yes
Processing Instructions:
- Serum is preferred specimen type
- Green Tube/Plasma: Centrifuge after collection.
- Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
Transport Temperature: Refrigerated
Specimen Transport Temperature
Refrigerate
Specimen Stability
Ambient: 12 hours
Refrigerated: 72 hours
Frozen: aliquot plasma/serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available 24 hours, usual TAT 1 day.
Reference Range
| CHW | CHS | |
|---|---|---|
| Male | 30-225 U/L | 20-200 U/L |
| Female | 20 – 175 U/L | 20-180 U/L |
Performing Department
Chemistry
Performing Department Laboratory Location
CHW
Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Zeeland Laboratory, Zeeland, MI
CHS
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI
Corewell Health Lakeland Niles Laboratory, Niles, MI
Corewell Health Watervliet Laboratory, Watervliet, MI
Methodology
Enzymatic UV
CPT
82550
CDM Code
3018255001
Epic Test ID
1230100529
LOINC
CK: 2157-6
Reviewed Date
3/7/2024
Updated Date
5/2/2025 CHS info added
12/2/2025 - Gold Top Preferred specimen
Orderable Regions
Southwest; West