Creatine Kinase (CK) MB Isoenzyme, Plasma or Serum

Test Code

150

CPT Codes
82550-CK, total; 82553-CK-MB fraction only (if appropriate)

Includes

Includes CK, total; CK-MB; and CK-MB index.
CK-MB will not be performed if the CK, total is <20 U/L.

Preferred Specimen

Submit only 1 of the following specimens:

Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Separate plasma from cells immediately.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).

Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Separate plasma from cells immediately.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).

Transport Temperature

Refrigerate

Methodology
Enzyme Immunoassay (EIA)

Setup Schedule

Monday through Sunday

Reference Range

CK TOTAL
Males:
1-30 days: 20-600 U/L
1-2 months: 25-300 U/L
>=3 months: 35-232 U/L

Females:
1-30 days: 20-600 U/L
1-2 months: 25-300 U/L
>=3 months: 21-215 U/L

Note: Strenuous exercise or intramuscular injections may cause transient elevation of CK.

CK-MB <=5.0 ng/mL
CK INDEX <=4.0

Clinical Significance

Useful for evaluation of patients with possible myocardial damage, muscular damage, or brain injuries.

Performed By
CoxHealth

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.