510(k) Report

510(k) · Cleared

Cleared

Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers Plus Control LT, Liquichek Cardiac Markers Plus

K050537510(k) TraditionalCleared Apr 27, 200556-day reviewClass I21 CFR 862.1660

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

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.

  1. Root · 5 generations backK961828 Liquichek Cardiac Markers Control (Cat. NO. 685,686,687,688)Bio-Rad · 1996
  2. 4 generations backK980556 Liquichek Cardiac Markers Control LTBio-Rad · 1998
  3. 3 generations backK012656 Liquichek Cardiac Markers Control LT Level 1,2,3, Models 646,647,648Bio-Rad · 2001
  4. 2 generations backK021498 Liquichek Cardiac Markers Control LT Level 1, 2, 3, and TrilevelBio-Rad · 2002
  5. 1 generation backK040277 Liquichek Cardiac Marker Control LTBio-Rad Laboratories, Inc. · 2004
  6. This deviceK050537 Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers…Bio-Rad · 2005
  7. Descendant · cites it directly · 1 of its ownK123663 Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level…Bio-Rad Laboratories · 2012
  8. 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
  9. Descendant · cites it directly · 1 of its ownK112161 AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC…Radiometer Medical Aps · 2012
  10. Descendant · 2 generations on · 0 of its ownK163462 AQT90 FLEX Myo Test Kit, AQT90 FLEX CKMB Test Kit, AQT90 FLEXRadiometer Medical Aps · 2017
  11. 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

2012: 32014: 12015: 22016: 12017: 1
2012high 3 (2012) · low 0 (2013)2026

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

GenerationNumberDeviceApplicantDecidedRecalls
−5K961828Liquichek Cardiac Markers Control (Cat. NO. 685,686,687,688)Bio-Rad1996—
−4K980556Liquichek Cardiac Markers Control LTBio-Rad1998—
−3K012656Liquichek Cardiac Markers Control LT Level 1,2,3, Models 646,647,648Bio-Rad2001—
−2K021498Liquichek Cardiac Markers Control LT Level 1, 2, 3, and TrilevelBio-Rad2002—
−1K040277Liquichek Cardiac Marker Control LTBio-Rad Laboratories, Inc.2004—
0 (this device)K050537Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers Plus Control…Bio-Rad2005—
+1K123663Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level 3…Bio-Rad Laboratories2012—
+1K120326AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3, AQT90 Flex…Radiometer Medical Aps2012—
+1K112161AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC…Radiometer Medical Aps2012—
+2K163462AQT90 FLEX Myo Test Kit, AQT90 FLEX CKMB Test Kit, AQT90 FLEXRadiometer Medical Aps2017—
+2K152117Dropper hsCRP High Sensitivity CRP ControlQuantimetrix Corporation2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201230
201410
201520
201610
201710
FIG. 1 — Lineage of K050537, 1996–2017Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K040277Liquichek Cardiac Marker Control LT
Summary 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…
Bio-Rad Laboratories, Inc.2004—

Also cleared against K040277: 2 other devices →

What descends from it? (8)

6 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K123663Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level 3, Trilevel MinipakBio-Rad Laboratories20121
K120326AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3, AQT90 Flex CKMB Cal…Radiometer Medical Aps20121
K112161AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC Multi-Check, LVLS…Radiometer Medical Aps20121
K150300Liquichek Cardiac Markers Plus Control LTBio-Rad Laboratories20150
K141689FastPack High Sensitivity C-Reactive Protein Immunoassay, High Sensitivity C-Reactive…Qualigen, Inc.20150
K140916Liquichek Cardiac Troponins Control, Levels 1,2 and 3, Trilevel/MinipakBio-Rad Laboratories20140

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 devices

JJY 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

2007: 112008: 72009: 82010: 102011: 142012: 132013: 162014: 102015: 42016: 12017: 3
2007high 16 (2013) · low 0 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JJY

78in 2017

2007: 49 days median2008: 54 days median2009: 80 days median2010: 109 days median2011: 120 days median2012: 40 days median2013: 82 days median2014: 49 days median2015: 153 days median2017: 78 days median
2007high 153 (2015) · low 40 (2012)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · JJY

2in 2025

2007: 52009: 22010: 62011: 12012: 32013: 22014: 22015: 12016: 32017: 42018: 32019: 42020: 62022: 32023: 32025: 22026 (partial year): 1
2007high 6 (2010) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · JJY

13in 2025

2007: 22008: 12009: 32010: 32011: 62012: 202013: 52014: 42015: 42016: 132017: 122018: 72019: 12020: 72021: 12023: 42024: 12025: 13
2007high 20 (2012) · low 0 (2022)2025

MAUDE reports naming product code JJY, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007114952
200875401
200988023
20101010963
20111412016
20121340320
2013168225
2014104924
2015415314
20161—313
2017378412
20180—37
20190—41
20200—67
20210—01
20220—30
20230—34
20240—01
20250—213
20260—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.

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

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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