Creatinine Kinase MB (CKMB)
The Creatinine Kinase MB (CKMB) test measures the level of CKMB, an enzyme found primarily in the heart muscle. This test is commonly ordered by clinicians to help diagnose or assess the extent of heart damage, particularly after a heart attack. The Creatinine Kinase MB (CKMB) test is typically used in clinical situations where a patient presents with chest pain or other symptoms suggestive of cardiac issues. Elevated levels of CKMB can indicate heart muscle injury, while normal levels may suggest that the heart has not been significantly affected.
Test Essentials
Specimen Required
2 mL blood (light green). Pediatrics: 0.5 mL.
Test Category
Chemistry
Turnaround Time
Results of the Creatinine Kinase MB (CKMB) test are usually available within 24–48 hours after sample collection.
Clinical Information
Clinical Significance
Abnormal results from the Creatinine Kinase MB (CKMB) test can indicate various conditions. High levels may suggest a heart attack or other types of heart muscle damage, while low levels are typically not concerning. The diagnostic value of this test lies in its ability to help clinicians assess heart health and guide treatment decisions. It is essential to remember that only a healthcare provider can interpret your results accurately and in context with your overall health status.
Reference Ranges
Reference ranges for the Creatinine Kinase MB (CKMB) test can vary based on factors like age, sex, and specific laboratory methods. Generally, a healthcare provider will interpret your results in the context of the reference ranges provided by the laboratory performing the test. If your results fall outside these ranges, further evaluation may be necessary.
Sample Preparation
Before your Creatinine Kinase MB (CKMB) test, no special preparation is typically required. However, it's always a good idea to inform your healthcare provider about any medications you are taking, as some may need to be adjusted. You may be asked to avoid strenuous exercise for a short period before the test to ensure accurate results. If you have any specific concerns, be sure to discuss them with your healthcare provider.
Related Tests
Code: 0212
Code: 0230
Code: P0204
Frequently Asked Questions
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