510(k) · Cleared
ClearedDiazyme 25-OH Vitamin D Assay; Diazyme 25-OH Vitamin D Control Set
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Diazyme Laboratories · MRG System, Test, Vitamin D
Cleared on Mar 14, 2014 as substantially equivalent to K112725 (DiaSorin, Inc., 2012) and 1 other predicate after a 127-day review. Its family tree reaches back 3 generations to 2004.
- Decided
- Mar 14, 2014
- Review
- 127 days
- Class
- Class II
- Product code
- MRG
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 3 generations to K032844 (2004). No later device cites it as a predicate yet.
- Root · 3 generations backK032844 Liaison 25 OH Vitamin DDiaSorin, Inc. · 2004 · Recalled
- 2 generations backK071480 Liaison 25 OH Vitamin D Total; Assay, Control Set and Specimen…DiaSorin, Inc. · 2007
- 1 generation backK112725 Liaison 25 OH Vitamin D Total AssayDiaSorin, Inc. · 2012
- This deviceK133410 Diazyme 25-OH Vitamin D Assay; Diazyme 25-OH Vitamin D Control SetDiazyme Laboratories · 2014
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K032844 | Liaison 25 OH Vitamin D | DiaSorin, Inc. | 2004 | 4 |
| −2 | K071480 | Liaison 25 OH Vitamin D Total; Assay, Control Set and Specimen Diluent Set… | DiaSorin, Inc. | 2007 | — |
| −1 | K112725 | Liaison 25 OH Vitamin D Total Assay | DiaSorin, Inc. | 2012 | — |
| 0 (this device) | K133410 | Diazyme 25-OH Vitamin D Assay; Diazyme 25-OH Vitamin D Control Set | Diazyme Laboratories | 2014 | — |
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 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? (2)
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 |
|---|---|---|---|
| * | K112725 | Liaison 25 OH Vitamin D Total AssaySummary page 2…stantially equivalent to the currently marketed LIAISON® 25-OH Vitamin D TOTAL Assay (k112725, k071480). Manufacturing Address Diazyme Laboratories 12889 Gregg… | 2012 |
| * | K071480 | Liaison 25 OH Vitamin D Total; Assay, Control Set and Specimen Diluent Set, Models…Summary page 2…y equivalent to the currently marketed LIAISON® 25-OH Vitamin D TOTAL Assay (k112725, k071480). Manufacturing Address Diazyme Laboratories 12889 Gregg Court… | 2007 |
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.
What does this lineage say?
- The line of descent spans 10 years and passes through 2 companies; a new generation was cleared every 3.6 years on median.
- 1 of the 3 ancestors has a recall of any class.
- 5 other devices also cite its predicate K112725.
How does its category compare?
All MRG devicesMRG System, Test, Vitamin D: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.
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 Diazyme 25-OH Vitamin D Assay is intended for use in clinical laboratories for the quantitative determination of total 25-OH Vitamin D in human serum and plasma on automated chemistry analyzer. Measurement of 25-hydroxyvitamin D (25-OH-D) is for the assessment of vitamin D sufficiency. For in vitro diagnostic use only.
The Diazyme 25-OH Vitamin D Control Set is intended for use as quality controls for the Diazyme 25-OH Vitamin D Assay Kit only. For in vitro diagnostic use only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K133410 · printed Nov 6, 2026
Cite this page
510(k) Report. “K133410: Diazyme 25-OH Vitamin D Assay; Diazyme 25-OH Vitamin D Control Set.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133410
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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