RIA Kits
Please use the dropdown below to find out about available RIA Kits:
CYFRA 21-1™ Radioimmunoassay
The CYFRA 21-1 assay utilizes two antibodies, KS 19.1 and BM19.21 to measure the elevated levels of cytokeratin 19 fragments in serum. (Not for distribution in the United States)
Download our CYFRA 21-1 product literature: