AMA CPT® Assistant - 2008 Issue 8 (August)
Pathology and Laboratory/Chemistry (August 2008)
August 2008 page 13c Pathology and Laboratory: Chemistry, 84704 (Q&A) Question: What does code 84704, Gonadotropin, chorionic (hCG); free beta chain, describe, and why was it created? Answer: Code 84704 describes free beta human chorionic gonadotropin (free Beta hCG). The free Beta hCG is an assay used particularly for early (first-trimester) screening for fetal aneuploidy. A pregnant woman may be offered this test to assess her specific risk of carrying a fetus with fetal aneuploidy. The results of this test can identify whether further testing (eg, amniocentesis) is indicated or may lead to the recommendation for other antenatal...
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