510(k) · Cleared
ClearedAbuscreen (R) Online (TM) for Barbiturates
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Roche Diagnostic Systems, Inc. · DKN Radioimmunoassay, Barbiturate
Cleared on Oct 30, 1991 after a 23-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 2 later devices descend from it.
- Decided
- Oct 30, 1991
- Review
- 23 days
- Class
- Class II
- Product code
- DKN
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 1 citing it directly.
- This deviceK914468 Abuscreen (R) Online (TM) for BarbituratesRoche Diagnostic Systems, Inc. · 1991
- Descendant · cites it directly · 1 of its ownK983698 Modification to Abuscreen Online BarbituratesRoche Diagnostic Systems, Inc. · 1999
- Descendant · 2 generations on · 0 of its ownK043211 Online Dat Barbiturates PlusRoche Diagnostics Corp. · 2004
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K914468 | Abuscreen (R) Online (TM) for Barbiturates | Roche Diagnostic Systems, Inc. | 1991 | — |
| +1 | K983698 | Modification to Abuscreen Online Barbiturates | Roche Diagnostic Systems, Inc. | 1999 | — |
| +2 | K043211 | Online Dat Barbiturates Plus | Roche Diagnostics Corp. | 2004 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
| 2004 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in DKN? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against?
FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K983698 | Modification to Abuscreen Online Barbiturates | 1999 | 1 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K983698 (Roche Diagnostic Systems, Inc., 1999) has gone furthest, with 1 descendant of its own.
How does its category compare?
All DKN devicesDKN Radioimmunoassay, Barbiturate: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DKN
FDA has decided no DKN device since 2007.
Median 510(k) review, days · DKN
Too few DKN 510(k)s in any year since 2007 to give a median.
Recalls per year · DKN
No recall names DKN since 2007.
Adverse event reports per year · DKN
No MAUDE report names DKN since 2007.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K914468 · printed Nov 6, 2026
Cite this page
510(k) Report. “K914468: Abuscreen (R) Online (TM) for Barbiturates.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K914468
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026