FDA PRODUCT CODE · CLASS II
NRX — Complement 4d (C4d) And Complement Receptor 1 (Cr1)
The device is an indirect immunofluorescence assay utilizing monoclonal antibodies and flow cytometry in the quantitative determination of complement 4d (C4d) and complement receptor 1 (CR1) on the surface of erythrocytes from EDTA anti-coagulated whole blood. The C4d and CR1 results are used in a ratio as an aid in the diagnosis of systemic lupus erythematosus.
Related on SPEQ
Source: FDA device classification, 510(k)/PMA, and recall datasets (openFDA). Recall entries count distinct FDA recall numbers, so one recall event affecting several products appears as several entries. SPEQ is not affiliated with the FDA; this is a reference view of public FDA data.
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