510(k) · Cleared
ClearedGamma-B 25-Hydroxy Vitamin D Ria
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Immunodiagnostic Systems, Ltd. · MRG System, Test, Vitamin D
Cleared on Sep 17, 1999 after a 95-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Sep 17, 1999
- Review
- 95 days
- Class
- Class II
- Product code
- MRG
- Recalls
- None
- 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 MRG? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new MRG device
- #1 K221817 ALFIS Vitamin D, ALFIS-3 Analyzerscore 8.7 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin 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)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
How does its category compare?
All MRG devicesMRG System, Test, Vitamin D: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · MRG
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · MRG
120in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MRG
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MRG
29in 2025
MAUDE reports naming product code MRG, 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 | — | 1 | 0 |
| 2008 | 1 | — | 2 | 0 |
| 2009 | 0 | — | 0 | 1 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 3 | 227 | 0 | 1 |
| 2012 | 3 | 122 | 3 | 23 |
| 2013 | 7 | 231 | 1 | 21 |
| 2014 | 6 | 159 | 0 | 14 |
| 2015 | 3 | 264 | 0 | 18 |
| 2016 | 3 | 147 | 2 | 14 |
| 2017 | 3 | 120 | 0 | 21 |
| 2018 | 2 | — | 2 | 75 |
| 2019 | 1 | — | 0 | 38 |
| 2020 | 1 | — | 0 | 10 |
| 2021 | 1 | — | 0 | 15 |
| 2022 | 0 | — | 0 | 13 |
| 2023 | 2 | — | 0 | 22 |
| 2024 | 1 | — | 0 | 32 |
| 2025 | 0 | — | 2 | 29 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The IDS Gamma-B 25-Hydroxy Vitamin D kit is a liquid phase radioimmunoassay intended for the quantitative determination of 25-hydroxyvitamin D and other hydroxylated metabolites in human serum or plasma to be used in the assessment of vitamin D sufficiency.
For In Vitro Diagnostic Use Only.
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/K991998 · printed Nov 6, 2026
Cite this page
510(k) Report. “K991998: Gamma-B 25-Hydroxy Vitamin D Ria.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K991998
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