510(k) · Cleared
ClearedAssess (TM) Low Abnormal Control
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Instrumentation Laboratory CO · GJS Test, Time, Prothrombin
Cleared on Mar 30, 1994 after a 391-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 4 later devices descend from it.
- Decided
- Mar 30, 1994
- Review
- 391 days
- Class
- Class II
- Product code
- GJS
- Recalls
- None
- Predicates
- 0
4 later devices descend from it, 2 citing it directly.
- This deviceK931117 Assess (TM) Low Abnormal ControlInstrumentation Laboratory CO · 1994
- Descendant · cites it directly · 2 of its ownK021022 Hemosil Low Abnormal Controlled (Assayed); Hemosil Low Abnormal…Instrumentation Laboratory CO · 2002 · Recalled
- Descendant · 2 generations on · 1 of its ownK082859 Hemosil Routine Control Level 1, Level 2, Level 3 UnassayedInstrumentation Laboratory CO · 2008
- Descendant · 3 generations on · 0 of its ownK110432 Visucon-F Frozen Coag Screen N, Visucon-F Frozen Coag Screen AbnAffinity Biologicals, Inc. · 2011
- Descendant · cites it directly · 0 of its ownK022046 Vital Scientific Coagulation Control,Coagulation Control Level…Vital Scientific N.V. · 2002
Most influential descendants
Showing 4 of 4 · See all- K021022Hemosil Low Abnormal Controlled (Assayed); Hemosil Low Abnormal Control 2 (Unassayed)Instrumentation Laboratory CO · 2002 · cites it directly2descendants
- K082859Hemosil Routine Control Level 1, Level 2, Level 3 UnassayedInstrumentation Laboratory CO · 2008 · 2 generations on1descendant
- K110432Visucon-F Frozen Coag Screen N, Visucon-F Frozen Coag Screen AbnAffinity Biologicals, Inc. · 2011 · 3 generations on0descendants
- K022046Vital Scientific Coagulation Control,Coagulation Control Level 1,2,3,Quikcoag…Vital Scientific N.V. · 2002 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K931117 | Assess (TM) Low Abnormal Control | Instrumentation Laboratory CO | 1994 | — |
| +1 | K021022 | Hemosil Low Abnormal Controlled (Assayed); Hemosil Low Abnormal Control 2… | Instrumentation Laboratory CO | 2002 | 3 |
| +2 | K082859 | Hemosil Routine Control Level 1, Level 2, Level 3 Unassayed | Instrumentation Laboratory CO | 2008 | — |
| +3 | K110432 | Visucon-F Frozen Coag Screen N, Visucon-F Frozen Coag Screen Abn | Affinity Biologicals, Inc. | 2011 | — |
| +1 | K022046 | Vital Scientific Coagulation Control,Coagulation Control Level 1,2,3,Quikcoag… | Vital Scientific N.V. | 2002 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 2 | 0 |
| 2008 | 1 | 0 |
| 2011 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in GJS? 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 GJS device
- #1 K243543 microINR Systemscore 13.4 · 6 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 has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (4)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
- Of its descendants, K021022 (Instrumentation Laboratory CO, 2002) has gone furthest, with 2 descendants of its own.
How does its category compare?
All GJS devicesGJS Test, Time, Prothrombin: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GJS
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GJS
60in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GJS
1in 2022
Class I (5 since 2007) Class II/III not classified
Adverse event reports per year · GJS
105in 2025
MAUDE reports naming product code GJS, 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 | 4 | 77 | 5 | 439 |
| 2008 | 1 | — | 3 | 420 |
| 2009 | 0 | — | 4 | 876 |
| 2010 | 4 | 168 | 2 | 2,177 |
| 2011 | 0 | — | 1 | 2,965 |
| 2012 | 1 | — | 1 | 2,198 |
| 2013 | 1 | — | 1 | 2,584 |
| 2014 | 1 | — | 4 (3) | 2,397 |
| 2015 | 0 | — | 0 | 1,260 |
| 2016 | 1 | — | 0 | 864 |
| 2017 | 1 | — | 5 | 532 |
| 2018 | 2 | — | 3 (2) | 1,958 |
| 2019 | 2 | — | 0 | 2,385 |
| 2020 | 1 | — | 2 | 1,390 |
| 2021 | 0 | — | 1 | 1,359 |
| 2022 | 3 | 399 | 1 | 1,210 |
| 2023 | 2 | — | 0 | 809 |
| 2024 | 1 | — | 0 | 177 |
| 2025 | 3 | 60 | 0 | 105 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K931117 · printed Nov 6, 2026
Cite this page
510(k) Report. “K931117: Assess (TM) Low Abnormal Control.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K931117
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026