FDA product code · Clinical toxicology
Radioimmunoassay, Tricyclic Antidepressant Drugs
21 FDA decisions since 1982. 2 recalls name this code, 0 of them Class I. The most-cited predicate is K021526, named by 5 later devices.
Intended to measure any of the tricyclic antidepressant drugs in serum or urine.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of LFG at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.
FDA decisions per year · LFG
1in 2015
2026 to Oct 25, outlined.
Median 510(k) review, days · LFG
Too few LFG 510(k)s in any year since 2007 to give a median.
Recalls per year · LFG
1so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LFG
1in 2024
MAUDE reports naming product code LFG, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 1 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 1 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 1 | — |
Planning a device in LFG? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.
See the 510(k) ReportRelated product codes
Other codes under 21 CFR 862.3910.