510(k) · Cleared
ClearedLiaison 25 OH Vitamin D Total; Assay, Control Set and Specimen Diluent Set, Models 310600, 310601 and 310602
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
DiaSorin, Inc. · MRG System, Test, Vitamin D
Cleared on Oct 1, 2007 as substantially equivalent to K032844 (DiaSorin, Inc., 2004) after a 125-day review. Its family tree reaches back 1 generation to 2004. 24 later devices descend from it.
- Decided
- Oct 1, 2007
- Review
- 125 days
- Class
- Class II
- Product code
- MRG
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K032844 (2004). 24 later devices descend from it, 6 citing it directly.
- Root · 1 generation backK032844 Liaison 25 OH Vitamin DDiaSorin, Inc. · 2004 · Recalled
- This deviceK071480 Liaison 25 OH Vitamin D Total; Assay, Control Set and Specimen…DiaSorin, Inc. · 2007
- Descendant · cites it directly · 11 of its ownK110619 Architect 25-OH Vitamin D 100T, Vitamin D 500T, Vitamin D…Biokit, S.A. · 2011 · Recalled
- Descendant · 2 generations on · 8 of its ownK113546 Elecsys Vitamin D Assay Elecsys Vitamin D Calset Elecsys…Roche Diagnostics · 2012
- Descendant · cites it directly · 8 of its ownK112725 Liaison 25 OH Vitamin D Total AssayDiaSorin, Inc. · 2012
- Descendant · 3 generations on · 4 of its ownK162840 Elecsys Vitamin D total II, Vitamin D total II CalSet, PreciControl…Roche Diagnostics · 2017 · Recalled
- Descendant · 3 generations on · 2 of its ownK132828 Elecsys Calcitonin; Immunoassay, Calset, Calcheck 5; Elecsys…Roche Diagnostics · 2013
Showing 5 of 24 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 24 · See all- K110619Architect 25-OH Vitamin D 100T, Vitamin D 500T, Vitamin D Calibrators, Vitamin D ControlsBiokit, S.A. · 2011 · cites it directly11descendants
- K113546Elecsys Vitamin D Assay Elecsys Vitamin D Calset Elecsys Precicontrol Varia 3 Elecsys…Roche Diagnostics · 2012 · 2 generations on8descendants
- K112725Liaison 25 OH Vitamin D Total AssayDiaSorin, Inc. · 2012 · cites it directly8descendants
- K162840Elecsys Vitamin D total II, Vitamin D total II CalSet, PreciControl Vitamin D total II…Roche Diagnostics · 2017 · 3 generations on4descendants
- K132828Elecsys Calcitonin; Immunoassay, Calset, Calcheck 5; Elecsys Precicontrol Varia 3Roche Diagnostics · 2013 · 3 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K032844 | Liaison 25 OH Vitamin D | DiaSorin, Inc. | 2004 | 4 |
| 0 (this device) | K071480 | Liaison 25 OH Vitamin D Total; Assay, Control Set and Specimen Diluent Set… | DiaSorin, Inc. | 2007 | — |
| +1 | K110619 | Architect 25-OH Vitamin D 100T, Vitamin D 500T, Vitamin D Calibrators, Vitamin… | Biokit, S.A. | 2011 | 1 |
| +2 | K113546 | Elecsys Vitamin D Assay Elecsys Vitamin D Calset Elecsys Precicontrol Varia 3… | Roche Diagnostics | 2012 | — |
| +1 | K112725 | Liaison 25 OH Vitamin D Total Assay | DiaSorin, Inc. | 2012 | — |
| +3 | K162840 | Elecsys Vitamin D total II, Vitamin D total II CalSet, PreciControl Vitamin D… | Roche Diagnostics | 2017 | 2 |
| +3 | K132828 | Elecsys Calcitonin; Immunoassay, Calset, Calcheck 5; Elecsys Precicontrol… | Roche Diagnostics | 2013 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 4 | 0 |
| 2014 | 3 | 0 |
| 2016 | 2 | 0 |
| 2017 | 4 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2021 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2026 | 1 | 0 |
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 8.8 · 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? (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 |
|---|---|---|---|
| * | K032844 | Liaison 25 OH Vitamin DSummary page 1…m (21 CFR 862.1825) Product Code: MRG, JJX PREDICATE DEVICES: LIAISON® 25 OH Vitamin D Assay and Controls (K032844) INTENDED USE: The LIAISON® 25 OH Vitamin D TOTAL Assay uses chemiluminescent i… | 2004 |
What descends from it? (24)
See all 246 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K110619 | Architect 25-OH Vitamin D 100T, Vitamin D 500T, Vitamin D Calibrators, Vitamin D Controls | 2011 | 11 |
| K112725 | Liaison 25 OH Vitamin D Total Assay | 2012 | 8 |
| K090104 | Liaison 25 OH Vitamin D Total Calibration Verifiers, Model: 310603 | 2009 | 2 |
| K153361 | Lumipulse G 25-OH Vitamin D, Lumipulse G 25-OH Vitamin D Calibrators | 2016 | 0 |
| K133410 | Diazyme 25-OH Vitamin D Assay; Diazyme 25-OH Vitamin D Control Set | 2014 | 0 |
| K130321 | Liaison Aldosterone, Liaison Aldosterone Control Set, Liaison Aldosterone Calibration… | 2013 | 0 |
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?
How does its category compare?
All MRG devicesMRG System, Test, Vitamin D: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, 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 LIAISON® 25 OH Vitamin D TOTAL Assay uses chemiluminescent immunoassay (CLIA) technology for the quantitative determination of 25-hydroxyvitamin D and other hydroxylated vitamin D metabolites in human serum, EDTA-plasma or lithium heparin plasma to be used in the assessment of vitamin D sufficiency. Assay results should be used in conjunction with other clinical or laboratory data to assist the clinician in making individual patient management…
Read the full statement (136 words)
The LIAISON® 25 OH Vitamin D TOTAL Assay uses chemiluminescent immunoassay (CLIA) technology for the quantitative determination of 25-hydroxyvitamin D and other hydroxylated vitamin D metabolites in human serum, EDTA-plasma or lithium heparin plasma to be used in the assessment of vitamin D sufficiency. Assay results should be used in conjunction with other clinical or laboratory data to assist the clinician in making individual patient management decisions in an adult population.
The LIAISON® 25 OH Vitamin D TOTAL Control Set is intended for use as assayed quality control samples to monitor the accuracy and precision of the DiaSorin LIAISON® 25 OH Vitamin D TOTAL Assay.
The LIAISON® 25 OH Vitamin D TOTAL Specimen Diluent Set may be used to dilute specimens with values greater that 150 ng/mL by the LIAISON® 25 OH Vitamin D TOTAL Assay.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K071480 · printed Nov 6, 2026
Cite this page
510(k) Report. “K071480: Liaison 25 OH Vitamin D Total; Assay, Control Set and Specimen Diluent Set, Models 310600, 310601 and 310602.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K071480
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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