510(k) · Cleared
ClearedLiquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers Plus Control LT, Liquichek Cardiac Markers Plus
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Bio-Rad · JJY Multi-Analyte Controls, All Kinds (Assayed)
Cleared on Apr 27, 2005 as substantially equivalent to K040277 (Bio-Rad Laboratories, Inc., 2004) after a 56-day review. Its family tree reaches back 5 generations to 1996. 8 later devices descend from it.
- Decided
- Apr 27, 2005
- Review
- 56 days
- Class
- Class I
- Product code
- JJY
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K961828 (1996). 8 later devices descend from it, 6 citing it directly.
- Root · 5 generations backK961828 Liquichek Cardiac Markers Control (Cat. NO. 685,686,687,688)Bio-Rad · 1996
- 4 generations backK980556 Liquichek Cardiac Markers Control LTBio-Rad · 1998
- 3 generations backK012656 Liquichek Cardiac Markers Control LT Level 1,2,3, Models 646,647,648Bio-Rad · 2001
- 2 generations backK021498 Liquichek Cardiac Markers Control LT Level 1, 2, 3, and TrilevelBio-Rad · 2002
- 1 generation backK040277 Liquichek Cardiac Marker Control LTBio-Rad Laboratories, Inc. · 2004
- This deviceK050537 Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers…Bio-Rad · 2005
- Descendant · cites it directly · 1 of its ownK123663 Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level…Bio-Rad Laboratories · 2012
- Descendant · cites it directly · 1 of its ownK120326 AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3…Radiometer Medical Aps · 2012
- Descendant · cites it directly · 1 of its ownK112161 AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC…Radiometer Medical Aps · 2012
- Descendant · 2 generations on · 0 of its ownK163462 AQT90 FLEX Myo Test Kit, AQT90 FLEX CKMB Test Kit, AQT90 FLEXRadiometer Medical Aps · 2017
- Descendant · 2 generations on · 0 of its ownK152117 Dropper hsCRP High Sensitivity CRP ControlQuantimetrix Corporation · 2016
Showing 5 of 8 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 8 · See all- K123663Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level 3, Trilevel MinipakBio-Rad Laboratories · 2012 · cites it directly1descendant
- K120326AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3, AQT90 Flex CKMB Cal…Radiometer Medical Aps · 2012 · cites it directly1descendant
- K112161AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC Multi-Check, LVLS…Radiometer Medical Aps · 2012 · cites it directly1descendant
- K163462AQT90 FLEX Myo Test Kit, AQT90 FLEX CKMB Test Kit, AQT90 FLEXRadiometer Medical Aps · 2017 · 2 generations on0descendants
- K152117Dropper hsCRP High Sensitivity CRP ControlQuantimetrix Corporation · 2016 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K961828 | Liquichek Cardiac Markers Control (Cat. NO. 685,686,687,688) | Bio-Rad | 1996 | — |
| −4 | K980556 | Liquichek Cardiac Markers Control LT | Bio-Rad | 1998 | — |
| −3 | K012656 | Liquichek Cardiac Markers Control LT Level 1,2,3, Models 646,647,648 | Bio-Rad | 2001 | — |
| −2 | K021498 | Liquichek Cardiac Markers Control LT Level 1, 2, 3, and Trilevel | Bio-Rad | 2002 | — |
| −1 | K040277 | Liquichek Cardiac Marker Control LT | Bio-Rad Laboratories, Inc. | 2004 | — |
| 0 (this device) | K050537 | Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers Plus Control… | Bio-Rad | 2005 | — |
| +1 | K123663 | Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level 3… | Bio-Rad Laboratories | 2012 | — |
| +1 | K120326 | AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3, AQT90 Flex… | Radiometer Medical Aps | 2012 | — |
| +1 | K112161 | AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC… | Radiometer Medical Aps | 2012 | — |
| +2 | K163462 | AQT90 FLEX Myo Test Kit, AQT90 FLEX CKMB Test Kit, AQT90 FLEX | Radiometer Medical Aps | 2017 | — |
| +2 | K152117 | Dropper hsCRP High Sensitivity CRP Control | Quantimetrix Corporation | 2016 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 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 JJY? 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K040277 | Liquichek Cardiac Marker Control LTSummary page 2…LiquichekM Cardiac Markers Control LT (New Device) (Predicate Device K040277 Intended Use Liquichek Cardiac Markers Plus Controls are intended for use Liquichek Cardiac Markers Control… | 2004 |
What descends from it? (8)
6 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K123663 | Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level 3, Trilevel Minipak | 2012 | 1 |
| K120326 | AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3, AQT90 Flex CKMB Cal… | 2012 | 1 |
| K112161 | AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC Multi-Check, LVLS… | 2012 | 1 |
| K150300 | Liquichek Cardiac Markers Plus Control LT | 2015 | 0 |
| K141689 | FastPack High Sensitivity C-Reactive Protein Immunoassay, High Sensitivity C-Reactive… | 2015 | 0 |
| K140916 | Liquichek Cardiac Troponins Control, Levels 1,2 and 3, Trilevel/Minipak | 2014 | 0 |
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?
- The line of descent spans 9 years and passes through 2 companies; a new generation was cleared every 1.7 years on median.
- None of the 5 ancestors has a recall.
- Of its descendants, K123663 (Bio-Rad Laboratories, 2012) has gone furthest, with 1 descendant of its own.
- 2 other devices also cite its predicate K040277.
How does its category compare?
All JJY devicesJJY Multi-Analyte Controls, All Kinds (Assayed): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JJY
3in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · JJY
78in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JJY
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JJY
13in 2025
MAUDE reports naming product code JJY, 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 | 11 | 49 | 5 | 2 |
| 2008 | 7 | 54 | 0 | 1 |
| 2009 | 8 | 80 | 2 | 3 |
| 2010 | 10 | 109 | 6 | 3 |
| 2011 | 14 | 120 | 1 | 6 |
| 2012 | 13 | 40 | 3 | 20 |
| 2013 | 16 | 82 | 2 | 5 |
| 2014 | 10 | 49 | 2 | 4 |
| 2015 | 4 | 153 | 1 | 4 |
| 2016 | 1 | — | 3 | 13 |
| 2017 | 3 | 78 | 4 | 12 |
| 2018 | 0 | — | 3 | 7 |
| 2019 | 0 | — | 4 | 1 |
| 2020 | 0 | — | 6 | 7 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 0 | — | 3 | 0 |
| 2023 | 0 | — | 3 | 4 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 2 | 13 |
| 2026 | 0 | — | 1 | — |
What is it indicated for?
Liquichek Cardiac Markers Plus Control is intended for use as a quality control serum to monitor the precision of laboratory testing procedures listed in the package insert.
Liquichek Cardiac Markers Plus Control LT is intended for use as a quality control serum to monitor the precision of laboratory testing procedures listed in the package insert.
Liquichek Cardiac Markers Plus Control LT Low is intended for use as a quality control serum to monitor the precision of laboratory testing procedures listed in the package insert.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K050537 · printed Nov 6, 2026
Cite this page
510(k) Report. “K050537: Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers Plus Control LT, Liquichek Cardiac Markers Plus.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K050537
Report an extraction error
Are you the manufacturer?
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