510(k) · Cleared
ClearedWiener Lab.MG-Color AA, Model 2X50 ML Cat. N 1580001
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Wiener Laboratories Saic · JGJ Photometric Method, Magnesium
Cleared on Nov 8, 2001 after a 108-day review. The FDA summary names its predicate without a number.
- Decided
- Nov 8, 2001
- Review
- 108 days
- Class
- Class I
- Product code
- JGJ
- Recalls
- None
- Predicates
- 0
The FDA summary names its predicate without a number.
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 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? (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 |
|---|---|---|---|
| * | — | ROCHE MAGNESIUM test system Named without a submission number |
What descends from it?
No later submission names this one as a predicate yet.
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.
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 “Wiener lab. Mg-color AA’ test system is a device intended to be used in the quantitative determination of magnesium in human serum, plasma and urine. Magnesium measurement is used in the diagnosis and treatment of hypomagnesemia (abnormally low plasma levels of magnesium) and hypermagnesemia (abnormally high plasma levels of magnesium).
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/K012326 · printed Nov 5, 2026
Cite this page
510(k) Report. “K012326: Wiener Lab.MG-Color AA, Model 2X50 ML Cat. N 1580001.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K012326
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
- Page last updated Nov 3, 2026