Devices descending from K900883
6 later devices reach Enzymun Test (R) FT4 (Free Thyroxine) through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K961489 | Elecsys FT4 Assay | Boehringer Mannheim Corp. | 1996 | 5 | — |
| +2 | K132058 | Vidas FT4 | Biomerieux S.A. | 2015 | 0 | — |
| +2 | K131244 | Elecsys FT4 II Assay, Elecsys FT4 II Calset | Roche Diagnostics | 2014 | 2 | — |
| +2 | K121951 | Liaison FT4 Liaison Control Thyroid 1 Liaison Control Thyroid 2 Liaison Control Thyroid 3 | DiaSorin, Inc. | 2013 | 0 | — |
| +3 | K220456 | Elecsys FT4 IV | Roche Diagnostics | 2023 | 0 | — |
| +3 | K181233 | Elecsys FT4 III | Roche Diagnostics | 2018 | 0 | — |