Class II — The Binding Site Group, Ltd.
| Recalling firm | THE BINDING SITE, INC. |
|---|---|
| Registered facility | THE BINDING SITE, INC. (the firm's only registered facility) |
| Classification | Class II |
| Status | Terminated |
| Reason | 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. |
| Product | Optilite Optilite Rheumatoid Factor Kit, Ref: LK151.OPT.A, IVD, Rx Only, UDI: 05051700020015 (kit ea. containing four components) |
| Quantity | 478 kits |
| Distribution | US: AL, AR, AZ, FL, GA, KY, MA, MD, MI, MN, MS, NC, NE, NY, OR, PA, TX, VT, WA, WI OUS: None |
| Initiated | 2019-10-07 |
| Classified | 2020-05-22 |
| Terminated | 2022-01-11 |
| Recall number | Z-2110-2020 |
| Initiation | Voluntary: Firm initiated |
Source: U.S. FDA via openFDA (opens in a new tab) (device registration & enforcement). Data as of 2026-10-06. Verify this recall record at FDA → (opens in a new tab)
Cite this record
RegWarden. “Class II recall — The Binding Site Group, Ltd. (Z-2110-2020).” Compiled from U.S. FDA public records (openFDA; FDA Data Dashboard). Data as of 2026-10-06. https://regwarden.com/recall/85366/
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