510(k) · Cleared
ClearedSta Liatest Free PS
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Diagnostica Stago, Inc. · GGP Test, Qualitative And Quantitative Factor Deficiency
Cleared on Dec 22, 2009 as substantially equivalent to K010963 (Diagnostica Stago, Inc., 2001) after a 154-day review. Its family tree reaches back 1 generation to 2001.
- Decided
- Dec 22, 2009
- Review
- 154 days
- Class
- Class II
- Product code
- GGP
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K010963 (2001). No later device cites it as a predicate yet.
- Root · 1 generation backK010963 Sta-Liatest Free Protein S Test KitDiagnostica Stago, Inc. · 2001 · Recalled
- This deviceK092170 Sta Liatest Free PSDiagnostica Stago, Inc. · 2009
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K010963 | Sta-Liatest Free Protein S Test Kit | Diagnostica Stago, Inc. | 2001 | 1 |
| 0 (this device) | K092170 | Sta Liatest Free PS | Diagnostica Stago, Inc. | 2009 | — |
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 GGP? 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 GGP device
- #1 K251440 CRYOcheck Chromogenic Factor VIIIscore 10.5 · 3 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 |
|---|---|---|---|
| * | K010963 | Sta-Liatest Free Protein S Test KitSummary page 1…ce. * IVD Factor Deficiency Test. Classification Name: *Factor Deficiency Test. Predicate Device: * STA® -Liatest® Fre'eProtein S(K010963). Purpose of the Special 510(k) Notice: *STA® - Liatest® Free PS is a modification of the Company's previously FDA… | 2001 |
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?
- Its one ancestor has a recall.
- 1 other device also cites its predicate K010963.
How does its category compare?
All GGP devicesGGP Test, Qualitative And Quantitative Factor Deficiency: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.
FDA decisions per year · GGP
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GGP
153in 2007
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GGP
1in 2017
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GGP
3in 2025
MAUDE reports naming product code GGP, 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 | 3 | 153 | 2 | 0 |
| 2008 | 2 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 1 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 0 | — | 2 | 4 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 1 |
| 2015 | 0 | — | 2 | 1 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 1 | 3 |
| 2018 | 1 | — | 0 | 3 |
| 2019 | 1 | — | 0 | 1 |
| 2020 | 2 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 2 |
| 2022 | 2 | — | 0 | 4 |
| 2023 | 2 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 1 | — | 0 | 3 |
| 2026 | 0 | — | 1 | — |
What is it indicated for?
The STA® - Liatest® Free PS kits are intended for use with analyzers of the STA® line
suitable with these reagents for the antigenic assay of free Protein S in plasma by the
immuno-turbidimetric method.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K092170 · printed Nov 6, 2026
Cite this page
510(k) Report. “K092170: Sta Liatest Free PS.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K092170
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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