510(k) · Cleared
ClearedLiberty Glucose Control, Model 2120031
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Liberty Healthcare Group, Inc. · JJX Single (Specified) Analyte Controls (Assayed And Unassayed)
Cleared on Nov 30, 2005 as substantially equivalent to K983504 (Medisense, Inc., 1999) after a 37-day review. Its family tree reaches back 5 generations to 1995. 19 later devices descend from it.
- Decided
- Nov 30, 2005
- Review
- 37 days
- Class
- Class I
- Product code
- JJX
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K945887 (1995). 11 ancestors in all, the oldest K850368 (1985). 19 later devices descend from it, 5 citing it directly.
- Root · 5 generations backK945887 Precision Q I D Blood Glucose Test StripsMedisense, Inc. · 1995
- 4 generations backK962295 Precision Qid Blood Glucose Test StripMedisense, Inc. · 1996
- 3 generations backK963676 Precision G Blood Glucose Testing SystemMedisense, Inc. · 1997
- 2 generations backK971812 Precision Qid Blood Glucose Test Strip, Precision G Blood Glucose…Medisense, Inc. · 1997
- 1 generation backK983504 Precision Xtra Advanced Diabetes Management System, Precision Blood…Medisense, Inc. · 1999 · Recalled
- This deviceK052980 Liberty Glucose Control, Model 2120031Liberty Healthcare Group, Inc. · 2005
- Descendant · cites it directly · 8 of its ownK060706 Liberty Normal Glucose Control SolutionLiberty Healthcare Group, Inc. · 2006
- Descendant · 2 generations on · 5 of its ownK070506 SMS Multi Glucose Control, Model 2120049Medical Specialties Supply Co., Inc. · 2007
- Descendant · cites it directly · 4 of its ownK060481 Liberty Glucose Control SolutionLiberty Healthcare Group, Inc. · 2006
- Descendant · 2 generations on · 2 of its ownK083549 Abt Glucose Control SolutionAmerican Biological Technologies, Inc. · 2008
- Descendant · 3 generations on · 2 of its ownK081403 Glucose Meter-Check Control Solution for Roche Accu-ChekBionostics, Inc. · 2008
Showing 5 of 19 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 19 · See all- K060706Liberty Normal Glucose Control SolutionLiberty Healthcare Group, Inc. · 2006 · cites it directly8descendants
- K070506SMS Multi Glucose Control, Model 2120049Medical Specialties Supply Co., Inc. · 2007 · 2 generations on5descendants
- K060481Liberty Glucose Control SolutionLiberty Healthcare Group, Inc. · 2006 · cites it directly4descendants
- K083549Abt Glucose Control SolutionAmerican Biological Technologies, Inc. · 2008 · 2 generations on2descendants
- K081403Glucose Meter-Check Control Solution for Roche Accu-ChekBionostics, Inc. · 2008 · 3 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K945887 | Precision Q I D Blood Glucose Test Strips | Medisense, Inc. | 1995 | — |
| −4 | K962295 | Precision Qid Blood Glucose Test Strip | Medisense, Inc. | 1996 | — |
| −3 | K963676 | Precision G Blood Glucose Testing System | Medisense, Inc. | 1997 | — |
| −2 | K971812 | Precision Qid Blood Glucose Test Strip, Precision G Blood Glucose Test Strip | Medisense, Inc. | 1997 | — |
| −1 | K983504 | Precision Xtra Advanced Diabetes Management System, Precision Blood Glucose… | Medisense, Inc. | 1999 | 1 |
| 0 (this device) | K052980 | Liberty Glucose Control, Model 2120031 | Liberty Healthcare Group, Inc. | 2005 | — |
| +1 | K060706 | Liberty Normal Glucose Control Solution | Liberty Healthcare Group, Inc. | 2006 | — |
| +2 | K070506 | SMS Multi Glucose Control, Model 2120049 | Medical Specialties Supply Co., Inc. | 2007 | — |
| +1 | K060481 | Liberty Glucose Control Solution | Liberty Healthcare Group, Inc. | 2006 | — |
| +2 | K083549 | Abt Glucose Control Solution | American Biological Technologies, Inc. | 2008 | — |
| +3 | K081403 | Glucose Meter-Check Control Solution for Roche Accu-Chek | Bionostics, Inc. | 2008 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2006 | 3 | 0 |
| 2007 | 4 | 0 |
| 2008 | 5 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2013 | 2 | 0 |
| 2016 | 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 JJX? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin 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 |
|---|---|---|---|
| * | K983504 | Precision Xtra Advanced Diabetes Management System, Precision Blood Glucose Test Strips…Summary page 1…r: Abbott Laboratories, Inc. Medisense Products 510(k) No.: K983504 Device Description: The Liberty Glucose Control MID consists of a viscosity- adjuste… | 1999 |
What descends from it? (19)
See all 195 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K060706 | Liberty Normal Glucose Control Solution | 2006 | 8 |
| K060481 | Liberty Glucose Control Solution | 2006 | 4 |
| K063855 | Liberty Normal Glucose Control Solution, Model 2120045/ High Glucose Control Solution… | 2007 | 1 |
| K060426 | Liberty Glucose Normal Control Solutions, Model 2120041 | 2006 | 1 |
| K070649 | SMS Glucose Control, Model 2120061 | 2007 | 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?
- The line of descent spans 10 years and passes through 2 companies; a new generation was cleared every 1.3 years on median.
- 1 of the 11 ancestors has a recall of any class.
- Of its descendants, K060706 (Liberty Healthcare Group, Inc., 2006) has gone furthest, with 8 descendants of its own.
- 5 other devices also cite its predicate K983504.
How does its category compare?
All JJX devicesJJX Single (Specified) Analyte Controls (Assayed And Unassayed): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JJX
2in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · JJX
31in 2016
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JJX
1in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JJX
22in 2025
MAUDE reports naming product code JJX, 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 | 6 | 53 | 3 | 2 |
| 2008 | 8 | 52 | 3 | 0 |
| 2009 | 17 | 80 | 0 | 1 |
| 2010 | 24 | 80 | 3 | 6 |
| 2011 | 19 | 62 | 2 | 62 |
| 2012 | 15 | 40 | 0 | 32 |
| 2013 | 19 | 37 | 0 | 51 |
| 2014 | 22 | 30 | 1 | 48 |
| 2015 | 11 | 65 | 1 | 67 |
| 2016 | 6 | 31 | 2 | 37 |
| 2017 | 2 | — | 0 | 19 |
| 2018 | 0 | — | 2 | 35 |
| 2019 | 0 | — | 0 | 82 |
| 2020 | 0 | — | 0 | 77 |
| 2021 | 0 | — | 1 | 43 |
| 2022 | 0 | — | 0 | 24 |
| 2023 | 0 | — | 0 | 22 |
| 2024 | 0 | — | 0 | 30 |
| 2025 | 0 | — | 0 | 22 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
For in vitro diagnostic use (i.e. for external use only) by healthcare professionals and in the home by people with diabetes mellitus to assess the performance of the Medisense Optium, Precision, Precision 3, and Precision Xtra Blood Glucose Monitors.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K052980 · printed Nov 5, 2026
Cite this page
510(k) Report. “K052980: Liberty Glucose Control, Model 2120031.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K052980
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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