What is the reference range of CA 27-29?

Updated: Jul 11, 2019
  • Author: Nikhil G Thaker, MD; Chief Editor: Eric B Staros, MD  more...
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Answer

Answer

Cancer antigen 27-29 (CA 27-29) is used to predict early recurrence of disease in women with treated carcinoma of the breast.

The reference range of serum CA 27-29 is less than 38 U/mL. The upper limit of the range may vary depending on the laboratory and testing kit used for the test. Values obtained with different assay kits, methods, or laboratories cannot be used interchangeably.


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