510(k) · Cleared
ClearedAbuscreen Online for Cannabinoids (100 Test Kit)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Roche Diagnostic Systems, Inc. · LDJ Enzyme Immunoassay, Cannabinoids
Cleared on May 28, 1998 as substantially equivalent to K913414 (Roche Diagnostic Systems, Inc., 1991) after a 24-day review. Its family tree reaches back 1 generation to 1991.
- Decided
- May 28, 1998
- Review
- 24 days
- Class
- Class II
- Product code
- LDJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K913414 (1991). No later device cites it as a predicate yet.
- Root · 1 generation backK913414 Abuscreen (R) Online (TM) for THC (50/100)(100TEST KTRoche Diagnostic Systems, Inc. · 1991
- This deviceK981584 Abuscreen Online for Cannabinoids (100 Test Kit)Roche Diagnostic Systems, Inc. · 1998
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K913414 | Abuscreen (R) Online (TM) for THC (50/100)(100TEST KT | Roche Diagnostic Systems, Inc. | 1991 | — |
| 0 (this device) | K981584 | Abuscreen Online for Cannabinoids (100 Test Kit) | Roche Diagnostic Systems, Inc. | 1998 | — |
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 LDJ? 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 LDJ device
- #1 K232732 Rapid Marijuana (THC) Test Strip 20, Rapid…score 9.4 · 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 |
|---|---|---|---|
| * | K913414 | Abuscreen (R) Online (TM) for THC (50/100)(100TEST KTSummary page 2…device to which the 510(k) sponsor claims equivalence. Product Name {modified) Predicate Product Name K Number | Date of SE Abuscreen® OnLine for Abuscreen® OnLine for K913414 | 9/25/91 Cannabinoids (1000 Test Kit) | Cannabinoids (100 Test Kit) IV. Description of the Device / Statement of Intended Use:… | 1991 |
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 no recall.
How does its category compare?
All LDJ devicesLDJ Enzyme Immunoassay, Cannabinoids: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LDJ
2in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · LDJ
48in 2015
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LDJ
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LDJ
1in 2015
MAUDE reports naming product code LDJ, 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 | 0 | — | 0 | 0 |
| 2008 | 2 | — | 4 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 4 | 219 | 0 | 0 |
| 2012 | 4 | 193 | 0 | 0 |
| 2013 | 3 | 162 | 0 | 0 |
| 2014 | 2 | — | 0 | 0 |
| 2015 | 3 | 48 | 0 | 1 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 1 | — | 1 | 0 |
| 2024 | 2 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Abuscreen ONLINE for Cannabinoids (100 Test Kit) is an in vitro diagnostic test for the qualitative and semi-quantitative detection of cannabinoids in human urine at 50 and 100 ng/mL cutoffs and the qualitative detection at 20 ng/mL cutoff. Semi-Quantitative test results may be obtained that permit laboratories to assess assay performance as part of a quality control program.
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/K981584 · printed Nov 6, 2026
Cite this page
510(k) Report. “K981584: Abuscreen Online for Cannabinoids (100 Test Kit).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K981584
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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