510(k) · Cleared
ClearedEGENS Urine Test Cup THC-MDMA, EGENS Urine Test DipCard THC-MDMA, EGENS Urine Test Cassette Marijuana
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Nantong Egens Biotech Co., Ltd. · LDJ Enzyme Immunoassay, Cannabinoids
Cleared on Nov 2, 2015 as substantially equivalent to K142580 (Chemtron Biotech, Inc., 2014) after a 48-day review. Its family tree reaches back 8 generations to 1995.
- Decided
- Nov 2, 2015
- Review
- 48 days
- Class
- Class II
- Product code
- LDJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K945610 (1995). 32 ancestors in all. No later device cites it as a predicate yet.
- Root · 8 generations backK945610 Abusign (TM) Amp, Doa-Amp, Accusign (TM) Amp-Doa-Amp, Biosign (TM)…Princeton BioMeditech Corp. · 1995
- 7 generations backK011673 Acon Amp One Step Amphetamine Test Strip, Acon Amp One Step…ACON Laboratories, Inc. · 2001
- 6 generations backK020313 Acon One Step Multi-Drug Multi-Line Screen Test Card; Acon One Step…Acon Laboratories Co. · 2002
- 5 generations backK031759 Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon…ACON Laboratories, Inc. · 2003 · Recalled
- 4 generations backK061718 Innovacon Spectrum II Test CardInnovacon, Inc. · 2006 · Recalled
- 3 generations backK111322 Chemtrue Single/Multi-Panel Drug Screen Cassette/DipcardChemtron Biotech, Inc. · 2011
- 2 generations backK123080 Chemtrue Single/Multi-Panel Drug Screen Dip Card/ Cassette TestsChemtron Biotech, Inc. · 2012
- 1 generation backK142580 Chemtrue Multi-Panel DOA DIP Card TestsChemtron Biotech, Inc. · 2014
- This deviceK152643 EGENS Urine Test Cup THC-MDMA, EGENS Urine Test DipCard THC-MDMA…Nantong Egens Biotech Co., Ltd. · 2015
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K945610 | Abusign (TM) Amp, Doa-Amp, Accusign (TM) Amp-Doa-Amp, Biosign (TM) Amp, Doa-Amp | Princeton BioMeditech Corp. | 1995 | — |
| −7 | K011673 | Acon Amp One Step Amphetamine Test Strip, Acon Amp One Step Amphetamine Test… | ACON Laboratories, Inc. | 2001 | — |
| −6 | K020313 | Acon One Step Multi-Drug Multi-Line Screen Test Card; Acon One Step Multi-Drug… | Acon Laboratories Co. | 2002 | — |
| −5 | K031759 | Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon Spectrum… | ACON Laboratories, Inc. | 2003 | 1 |
| −4 | K061718 | Innovacon Spectrum II Test Card | Innovacon, Inc. | 2006 | 6 |
| −3 | K111322 | Chemtrue Single/Multi-Panel Drug Screen Cassette/Dipcard | Chemtron Biotech, Inc. | 2011 | — |
| −2 | K123080 | Chemtrue Single/Multi-Panel Drug Screen Dip Card/ Cassette Tests | Chemtron Biotech, Inc. | 2012 | — |
| −1 | K142580 | Chemtrue Multi-Panel DOA DIP Card Tests | Chemtron Biotech, Inc. | 2014 | — |
| 0 (this device) | K152643 | EGENS Urine Test Cup THC-MDMA, EGENS Urine Test DipCard THC-MDMA, EGENS Urine… | Nantong Egens Biotech Co., Ltd. | 2015 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 0 |
| 2004 | 3 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 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 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 |
|---|---|---|---|
| * | K142580 | Chemtrue Multi-Panel DOA DIP Card TestsSummary page 5…21 CFR, 862.3610 Methylenedioxymethamphetamine Toxicology LAF Test System 4. Predicate Devices: K142580 Chemtrue Multi-Panel DOA DipCard Tests 5. Intended Use: EGENS Urine Test Marijuana (THC) is a rapid… | 2014 |
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 20 years and passes through 6 companies; a new generation was cleared every 2.0 years on median.
- 2 of the 32 ancestors have a recall of any class.
- 2 other devices also cite its predicate K142580.
How does its category compare?
All LDJ devicesLDJ Enzyme Immunoassay, Cannabinoids: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.
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?
EGENS Urine Test Cup THC-MDMA is a rapid test for the qualitative detection of Cannabinoids and Methylenedioxymethamphetamine in human urine at a cutoff concentration of 50 ng/mL and 500 ng/mL, respectively. EGENS Urine Test Cup THC-MDMA test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS is the preferred confirmatory method. Clinical consideration…
Read the full statement (303 words)
EGENS Urine Test Cup THC-MDMA is a rapid test for the qualitative detection of Cannabinoids and Methylenedioxymethamphetamine in human urine at a cutoff concentration of 50 ng/mL and 500 ng/mL, respectively. EGENS Urine Test Cup THC-MDMA test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS is the preferred confirmatory method. Clinical consideration and professional judgment should be exercised with any drug of abuse test result, particularly when the preliminary result is positive.
For in vitro diagnostic use only. The tests are intended for over-the-counter and for prescription use.
EGENS Urine Test DipCard THC-MDMA is a rapid test for the qualitative detection of Cannabinoids and Methylenedioxymethamphetamine in human urine at a cutoff concentration of 50 ng/mL and 500 ng/mL, respectively. EGENS Urine Test DipCard THC-MDMA test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS is the preferred confirmatory method. Clinical consideration and professional judgment should be exercised with any drug of abuse test result, particularly when the preliminary result is positive.
For in vitro diagnostic use only. The tests are intended for over-the-counter and for prescription use.
EGENS Urine Test Cassette Marijuana is a rapid test for the qualitative detection of Cannabinoids in human urine at a cutoff concentration of 50 ng/mL. EGENS Urine Test Cassette Marijuana test provides only preliminary test results. A more specific alternative chemical method must be used in order to obtain a confirmed analytical result. GC/MS is the preferred confirmatory method. Clinical consideration and professional judgment should be exercised with any drug of abuse test result, particularly when the preliminary result is positive.
For in vitro diagnostic use only. The tests are intended for over-the-counter and for prescription use.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K152643 · printed Nov 6, 2026
Cite this page
510(k) Report. “K152643: EGENS Urine Test Cup THC-MDMA, EGENS Urine Test DipCard THC-MDMA, EGENS Urine Test Cassette Marijuana.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K152643
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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