510(k) · Cleared
Recalled · Class II · 2020Randox Magnesium
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Randox Laboratories, Ltd. · JGJ Photometric Method, Magnesium
Cleared on Feb 12, 1998 after a 64-day review. FDA’s file for it is a 510(k) statement, which names no predicate. It has been recalled once.
- Decided
- Feb 12, 1998
- Review
- 64 days
- Class
- Class I
- Product code
- JGJ
- Recalls
- 1
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in JGJ? 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’s file for it is a 510(k) statement, which names no predicate.
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Nov 13, 2020 | Class II | Z-0546-2021 | Under Investigation by firm | Failing to meet the linearity performance claims quoted on the kit inserts-The linearity is reduced by approximately -30% for Serum/ Plasma and -50% for Urine |
No ancestor or descendant has a Class I recall.
How does its category compare?
All JGJ devicesJGJ Photometric Method, Magnesium: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JGJ
2in 2018
2026 to Oct 25, outlined.
Median 510(k) review, days · JGJ
Too few JGJ 510(k)s in any year since 2007 to give a median.
Recalls per year · JGJ
1in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JGJ
22in 2025
MAUDE reports naming product code JGJ, 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 | 0 | — | 0 | 1 |
| 2009 | 2 | — | 0 | 4 |
| 2010 | 0 | — | 0 | 4 |
| 2011 | 1 | — | 0 | 13 |
| 2012 | 1 | — | 1 | 22 |
| 2013 | 0 | — | 1 | 26 |
| 2014 | 0 | — | 0 | 4 |
| 2015 | 0 | — | 1 | 24 |
| 2016 | 0 | — | 1 | 4 |
| 2017 | 2 | — | 0 | 18 |
| 2018 | 2 | — | 0 | 21 |
| 2019 | 0 | — | 1 | 31 |
| 2020 | 0 | — | 2 | 34 |
| 2021 | 0 | — | 1 | 33 |
| 2022 | 0 | — | 1 | 42 |
| 2023 | 0 | — | 0 | 31 |
| 2024 | 0 | — | 1 | 17 |
| 2025 | 0 | — | 0 | 22 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Randox Laboratories Limited Magnesium Test Kit is an in vitro diagnostic reagent for the quantitative determination of magnesium in human serum or plasma. This method uses Xylidyl Blue to measure magnesium. Abnormal concentrations of magnesium (elevated or low) are associated with a variety of clinical conditions.
This test kit must be used by suitably qualified laboratory personnel under appropriate laboratory conditions.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K974606 · printed Nov 6, 2026
Cite this page
510(k) Report. “K974606: Randox Magnesium.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K974606
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)
- Page last updated Nov 3, 2026