cobas e 411 Immunoassay Analyzer (Discrete Photometric Analyzer for Clinical use), Catalog Numbers: 04775201001 (rack system), 04775279001 (disk system), 04775201973 (rack system) & 04775279973 (disk system).
Complaints have been received concerning questionable results on analyzers due to customers utilizing 13 mm sample tubes without tube adapters.
US Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1270-2018