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Test Name

Creatine Kinase (CK), Total

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CPT Code(s)**

82550
**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.

Methodology

Spectrophotometry (SP)

Reference Range(s)

Age Male (U/L) Female (U/L)
≤3 Days (newborn) <1578 <1578
28 Days <183 <134
11 Months <136 <143
6 Years <160 <143
9 Years <177 <143
12 Years <217 <143
18 Years <245 <143
>18 Years 44-196 29-143

Clinical Significance

Test for myocardial infarction and skeletal muscle damage. Elevated results may be due to: Myocarditis, Mycardial Infarction (heart attack), Muscular Dystrophy, Muscle Trauma or excessive exercise.

Alternative Name(s)

CPK

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

374
374
374
374
374
374
1231Q
127Q
21576R
21576R
374
374X
374X
374
374
374
374
21576R
21576R
374X
21576R
374
374
374
374
374
374
374
Creatine Kinase (CK), Total
374