# K050537: Liquichek Cardiac Markers Plus Control, Liquichek Cardiac Markers Plus Control LT, Liquichek Cardiac Markers Plus

- Pathway: 510(k) (Traditional)
- Applicant: Bio-Rad
- Decided: Apr 27, 2005 after 56 days
- Product code: JJY (Multi-Analyte Controls, All Kinds (Assayed))
- Device class: 1
- Regulation: 21 CFR 862.1660
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 5 generations back to K961828 (1996). 5 ancestors in all.
8 later devices descend from it; 6 cite it directly.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K040277: Liquichek Cardiac Marker Control LT, Bio-Rad Laboratories, Inc. (2004) Summary page 2.

## Most influential descendants
- K123663: Liquidchek Cardiac Markers Plus Control LT; Level 1C, Level 2, Level 3, Trilevel Minipak (2012), 1 descendant of its own
- K120326: AQT90 Flex CKMB Test Kit, AQT90 Flex LQC Multi-Check, Levels 1-3, AQT90 Flex CKMB Cal Cartridge (2012), 1 descendant of its own
- K112161: AQT90 Flex Analyzer, AQT90 Flex Myoglobin Test Kit, AQT90 Flex LQC Multi-Check, LVLS 1-3, AQT90 Flex Myo Cal Cartridge.. (2012), 1 descendant of its own
- K163462: AQT90 FLEX Myo Test Kit, AQT90 FLEX CKMB Test Kit, AQT90 FLEX (2017), 0 descendants of its own
- K152117: Dropper hsCRP High Sensitivity CRP Control (2016), 0 descendants of its own

## Indications for use
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.

Source page: https://510kreport.com/device/K050537
Methodology: https://510kreport.com/methodology