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CD-57 Test? Rarely

CD-57 Test? Rarely
Updated: January 27, 2025

About CD-57 and Lyme Disease

The CD-57 is a type of a natural killer white blood cell that often is less than normal in chronic Lyme disease. Some Lyme literate medical doctors recommend it as a way to see if a person has Lyme and to follow the course of his/her care regimen. However, I do not support CD-57 testing in most situations because it is not clinically useful at predictiing course of a person’s care. See why in this Lyme Byte from my webinar Conversations with Marty Ross MD on 09/10/13 recorded when I practiced in Seattle, Washington.

Disclaimer

The ideas and recommendations on this website and in this article are for informational purposes only. For more information about this, see the sitewide Terms & Conditions.

About The Author

Marty Ross, MD is a passionate Lyme disease educator and clinical expert. He helps Lyme sufferers and their physicians see what really works based on his review of the science and extensive real-world experience. Dr. Ross is licensed to practice medicine in Washington State (License: MD00033296) where he has treated thousands of Lyme disease patients in his Seattle practice.

Marty Ross, MD is a graduate of Indiana University School of Medicine and Georgetown University Family Medicine Residency. He is a member of the International Lyme and Associated Disease Society (ILADS), The Institute for Functional Medicine, and The American Academy of Anti-Aging Medicine (A4M).

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