510(k) · Cleared
ClearedIWL2020 Blood Glucose Monitoring System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Roche Diabetes Care, Inc. · NBW System, Test, Blood Glucose, Over The Counter
Cleared on May 6, 2022 as substantially equivalent to K160944 (Roche Diabetes Care, Inc., 2016) after a 501-day review. Its family tree reaches back 7 generations to 2001.
- Decided
- May 6, 2022
- Review
- 501 days
- Class
- Class II
- Product code
- NBW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K010362 (2001). 8 ancestors in all. No later device cites it as a predicate yet.
- Root · 7 generations backK010362 Accu-Chek Comfort Curve Test StripRoche Diagnostics Corp. · 2001 · Recalled
- 6 generations backK043474 Accu-Chek Aviva SystemRoche Diagnostics Corp. · 2005 · Recalled
- 5 generations backK060620 Accu-Chek Aviva Test StripsRoche Diagnostics Corp. · 2006 · Recalled
- 4 generations backK101299 Accu-Chek Aviva Plus Blood Glucose Monitoring SystemRoche Diagnostics · 2011
- 3 generations backK133862 Accu-Chek Aviva Plus SystemRoche Diagnostics Corporation · 2014 · Recalled
- 2 generations backK141867 Accu-Chek Aviva Connect Blood Glucose Monitoring SystemRoche Diagnostics · 2015
- 1 generation backK160944 ACCU-CHEK Guide Blood Glucose Monitoring SystemRoche Diabetes Care, Inc. · 2016 · Recalled
- This deviceK203711 IWL2020 Blood Glucose Monitoring SystemRoche Diabetes Care, Inc. · 2022
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K010362 | Accu-Chek Comfort Curve Test Strip | Roche Diagnostics Corp. | 2001 | 6 |
| −6 | K043474 | Accu-Chek Aviva System | Roche Diagnostics Corp. | 2005 | 10 |
| −5 | K060620 | Accu-Chek Aviva Test Strips | Roche Diagnostics Corp. | 2006 | 1 |
| −4 | K101299 | Accu-Chek Aviva Plus Blood Glucose Monitoring System | Roche Diagnostics | 2011 | — |
| −3 | K133862 | Accu-Chek Aviva Plus System | Roche Diagnostics Corporation | 2014 | 2 |
| −2 | K141867 | Accu-Chek Aviva Connect Blood Glucose Monitoring System | Roche Diagnostics | 2015 | — |
| −1 | K160944 | ACCU-CHEK Guide Blood Glucose Monitoring System | Roche Diabetes Care, Inc. | 2016 | 2 |
| 0 (this device) | K203711 | IWL2020 Blood Glucose Monitoring System | Roche Diabetes Care, Inc. | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 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 NBW? 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 NBW device
- #1 K260545 CONTOUR® PLUS BLUE Blood Glucose Monitoring…score 14.6 · 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 |
|---|---|---|---|
| * | K160944 | ACCU-CHEK Guide Blood Glucose Monitoring SystemSummary page 4…Over the Counter; Glucose dehydrogenase Regulation Number: 862.1345, Class II Product Code: NBW Legally Marketed Predicate Devices [21 CFR 807.92(a)(3)] Predicate #: K160944 Predicate Trade Name: Accu-Chek Guide Blood Glucose Monitoring System Product Code: NBW Device Description Summary [21 CFR 807… | 2016 |
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 21 years and passes through 4 companies; a new generation was cleared every 2.6 years on median.
- 5 of the 8 ancestors have a recall of any class.
- 2 other devices also cite its predicate K160944.
How does its category compare?
All NBW devicesNBW System, Test, Blood Glucose, Over The Counter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · NBW
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · NBW
243in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NBW
1in 2025
Class I (2 since 2007) Class II/III not classified
Adverse event reports per year · NBW
4,745in 2025
MAUDE reports naming product code NBW, 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 | 29 | 85 | 9 | 7,991 |
| 2008 | 37 | 128 | 2 | 7,704 |
| 2009 | 38 | 140 | 5 | 10,963 |
| 2010 | 31 | 132 | 11 | 11,631 |
| 2011 | 30 | 328 | 1 | 22,909 |
| 2012 | 30 | 230 | 1 | 23,449 |
| 2013 | 47 | 167 | 5 (2) | 35,408 |
| 2014 | 24 | 202 | 1 | 38,524 |
| 2015 | 32 | 237 | 0 | 62,111 |
| 2016 | 20 | 233 | 1 | 76,621 |
| 2017 | 25 | 244 | 0 | 37,538 |
| 2018 | 19 | 168 | 0 | 16,911 |
| 2019 | 10 | 127 | 14 | 14,472 |
| 2020 | 7 | 121 | 0 | 10,703 |
| 2021 | 7 | 465 | 0 | 9,198 |
| 2022 | 12 | 410 | 0 | 8,103 |
| 2023 | 5 | 193 | 0 | 7,256 |
| 2024 | 7 | 243 | 0 | 6,220 |
| 2025 | 2 | — | 1 | 4,745 |
| 2026 | 5 | 190 | 0 | — |
What is it indicated for?
The IWL2020 Blood Glucose Monitoring System is comprised of the IWL2020 meter and IWL2020 test strips.
The IWL2020 Blood Glucose Monitoring System is intended to quantitatively measure glucose in fresh capillary whole blood from the fingertip as an aid in monitoring the effectiveness of glucose control.
The IWL2020 Blood Glucose Monitoring System is intended for in vitro diagnostic single patient use by people with diabetes at home.
The IWL2020 Blood Glucose Monitoring System is intended to be used by a single person and should not be shared.
This system is not for use in diagnosis or screening of diabetes mellitus, nor for neonatal use.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K203711 · printed Nov 6, 2026
Cite this page
510(k) Report. “K203711: IWL2020 Blood Glucose Monitoring System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203711
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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