CREATINE KINASE, TOTAL

Test Code

LAB7340

Alias/See Also

CPK, Creatinine Kinase, Creatinine Phosphokinase

CPT Codes
82550

Preferred Specimen

Gold Tube (SST)

Patient Preparation
None

Minimum Volume

1mL (2mL optimal)

Other Acceptable Specimens

Green Tube (Lithium Heparin)

Instructions

Centrifuge for complete separation of serum or plasma and red cells.

Transport Container

GOLD Tube

Transport Temperature

Room Temperature

Specimen Stability

2-8°C up to 6 days; 15-30°C up to 4 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Moderate Hemolysis

Methodology
NAC activated at 37°C

Setup Schedule

DAILY, as received

Report Available

STAT: <60 minutes
Routine: <4 hours

Reference Range

Male/Female All Ages: Normal Range: 30-223 IU/L

Clinical Significance

Testing for Total CK is for myocardial infarction and skeletal muscle damage. Elevated results may be due to myocarditis, myocardial infarction (heart attack), muscular dystrophy, muscle trauma or excessive exercise.

Performing Laboratory
Mount Sinai Hospital
Holy Cross Hospital

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.