complexed prostate-specific antigen (cPSA) test
(redirected from complexed prostate-specific antigen cPSA test)complexed prostate-specific antigen (cPSA) test
a serum test to detect PSA complexed to α1-antichymotrypsin; cPSA appears to be more specific for detection of prostate cancer at low total levels of PSA than measurement of total PSA and free:total PSA ratios.
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