Optilite Optilite Rheumatoid Factor Kit, Ref: LK151.OPT.A, IVD, Rx Only, UDI: 05051700020015 (kit ea. containing four components)
Assigned Rheumatoid Factor (RF) calibrator value for calibrator component included in kit used to aid in the diagnosis of rheumatoid arthritis over recovers by 7% in comparison to the reference material RF serum. This could result in reporting abnormal (false positive) results, which may lead to unnecessary additional serological testing and a delay in treatment.
US: AL, AR, AZ, FL, GA, KY, MA, MD, MI, MN, MS, NC, NE, NY, OR, PA, TX, VT, WA, WI OUS: None
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-2110-2020