Zeus Scientific · Class II · Cleared May 7, 2025
| K-number | K243776 |
| Device name | Anti-Neutrophil Cytoplasmic Antibodies (Ethanol-Fixed); Anti-Neutrophil Cytoplasmic Antibodies (Formalin-Fixed) |
| Applicant | Zeus Scientific |
| Product code | MOB |
| Device class | Class II |
| Decision date | May 7, 2025 |
| Decision | Substantially Equivalent |
| Regulation | 866.5660 |
This device is an indirect immunofluorescence assay (IFA) that detects anti-neutrophil cytoplasmic antibodies (ANCA) of the IgG isotype in human serum. It comes in two versions—ethanol-fixed and formalin-fixed—and can be performed manually by fluorescence microscopy or with automated analysis using dIFine software. Results aid in diagnosing ANCA-associated vasculitis (AAV) when combined with other clinical and laboratory findings.
Not stated in this summary.
Not stated in this summary.
Not stated in this summary. The clearance letter confirms substantial equivalence to legally marketed predicate devices but does not provide the detailed technical or comparative reasoning used to reach that determination. The enclosure referencing the specific predicate comparison is referenced but not included in the document pages provided.
View the full FDA submission: accessdata.fda.gov