510(k) · Cleared
ClearedLiquichek Urine Toxicology Control Level S1, S2 & S3 Models 461, 462 & 463
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Bio-Rad · DIF Drug Mixture Control Materials
Cleared on May 29, 2002 after a 26-day review. The summary cites one number, which could not be confirmed as its predicate (see the table below). 2 later devices descend from it.
- Decided
- May 29, 2002
- Review
- 26 days
- Class
- Class I
- Product code
- DIF
- Recalls
- None
- Predicates
- 1
2 later devices descend from it, 1 citing it directly.
- This deviceK021411 Liquichek Urine Toxicology Control Level S1, S2 & S3 Models 461, 462…Bio-Rad · 2002
- Descendant · cites it directly · 1 of its ownK033924 Liquichek Urine Toxicology Control (Screen Series)Bio-Rad Laboratories, Inc. · 2004
- Descendant · 2 generations on · 0 of its ownK120504 Liquichek Urine Toxicology Control, S10 & S10 Minipak, Liquichek…Bio-Rad Laboratories, Inc. · 2012
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) | K021411 | Liquichek Urine Toxicology Control Level S1, S2 & S3 Models 461, 462 & 463 | Bio-Rad | 2002 | — |
| +1 | K033924 | Liquichek Urine Toxicology Control (Screen Series) | Bio-Rad Laboratories, Inc. | 2004 | — |
| +2 | K120504 | Liquichek Urine Toxicology Control, S10 & S10 Minipak, Liquichek Urine… | Bio-Rad Laboratories, Inc. | 2012 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 1 | 0 |
| 2012 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in DIF? 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? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.
| Type | Number | Device | Decided |
|---|---|---|---|
| Kept off the family tree | K991558 | Liquichek™ Urine Toxicology Control Not in FDA’s 510(k), De Novo or PMA lists as we hold them (a misreading, a typo, or a number FDA does not list), so it is kept off the family tree Summary page 1…umber: CFR 862.3280 3.0 Device to Which Substantial Equivalence is Claimed Liquichek™ Urine Toxicology Control Bio-Rad Laboratories Irvine, California Docket Number: K991558 4.0 Description of Device LiquichekTM Urine Toxicology Control Levels S1, S2 and S3 are prepared from human urine with added co… |
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 |
|---|---|---|---|
| K033924 | Liquichek Urine Toxicology Control (Screen Series) | 2004 | 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, K033924 (Bio-Rad Laboratories, Inc., 2004) has gone furthest, with 1 descendant of its own.
How does its category compare?
All DIF devicesDIF Drug Mixture Control Materials: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DIF
1in 2016
2026 to Oct 25, outlined.
Median 510(k) review, days · DIF
35in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DIF
1in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DIF
1in 2016
MAUDE reports naming product code DIF, 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 | 2 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 1 | — | 1 | 1 |
| 2012 | 3 | 35 | 0 | 3 |
| 2013 | 2 | — | 1 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 1 | — | 0 | 1 |
| 2017 | 0 | — | 5 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 1 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
A quality control urine to monitor the performance of laboratory urine toxicology screening procedures.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K021411 · printed Nov 5, 2026
Cite this page
510(k) Report. “K021411: Liquichek Urine Toxicology Control Level S1, S2 & S3 Models 461, 462 & 463.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K021411
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026