Test Code CK Creatine Kinase (CK), Plasma or Serum
Additional Codes
- Expanse Test Name: Creatine Kinase, S
- Medinet Ref Code: CK
- OV Code: CHEM*CK
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Enzymatic Rate
Specimen Requirements
Specimens are stable for 5 days at 2-8C
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) plasma gel tube(s).
Spin down and send 1 mL of lithium heparin plasma refrigerated.
Note: 1. Indicate plasma on request
form.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a serum gel tube(s). Spin down and send 1 mL of serum
refrigerated.
Note: 1. Indicate serum on request form.
2. Label specimen appropriately (serum).
Unspun specimens must be transported at ambient temperatrue and arrive to the laboratory within one hour of draw.
Reference Values
Males: 37-265 U/L
Females: 26-192 U/L
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 82550
LOINC: 2157-6