510(k) · Cleared
ClearedAcon Tca One Step Tricyclic Antidepressant Test Strip and Device
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
ACON Laboratories, Inc. · LFG Radioimmunoassay, Tricyclic Antidepressant Drugs
Cleared on Jul 17, 2002 as substantially equivalent to K980249 (Princeton BioMeditech Corp., 1998) after a 68-day review. Its family tree reaches back 1 generation to 1998. 92 later devices descend from it.
- Decided
- Jul 17, 2002
- Review
- 68 days
- Class
- Class II
- Product code
- LFG
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K980249 (1998). 92 later devices descend from it, 5 citing it directly.
- Root · 1 generation backK980249 Accusign Tca, Biosign Tca, Staus DS TcaPrinceton BioMeditech Corp. · 1998
- This deviceK021526 Acon Tca One Step Tricyclic Antidepressant Test Strip and DeviceACON Laboratories, Inc. · 2002
- Descendant · cites it directly · 86 of its ownK023946 Acon One Step Multi-Drug Multi-Line Screen Test Card, Acon One Step…ACON Laboratories, Inc. · 2003
- Descendant · 2 generations on · 83 of its ownK031759 Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon…ACON Laboratories, Inc. · 2003 · Recalled
- Descendant · 3 generations on · 80 of its ownK061718 Innovacon Spectrum II Test CardInnovacon, Inc. · 2006 · Recalled
- Descendant · 4 generations on · 55 of its ownK122809 Advin Multi-Drug Screen Test Cassette, Dip Card and CupAdvin Biotech · 2013
- Descendant · 5 generations on · 16 of its ownK140748 One Step Single/Multi-Drug Test Cup, One Step Single/Multi-Drug Test…Co-Innovation Biotech Co., Ltd. · 2014
Showing 5 of 92 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 92 · See all- K023946Acon One Step Multi-Drug Multi-Line Screen Test Card, Acon One Step Multi-Drug…ACON Laboratories, Inc. · 2003 · cites it directly86descendants
- K031759Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon Spectrum Multi-Drug…ACON Laboratories, Inc. · 2003 · 2 generations on83descendants
- K061718Innovacon Spectrum II Test CardInnovacon, Inc. · 2006 · 3 generations on80descendants
- K122809Advin Multi-Drug Screen Test Cassette, Dip Card and CupAdvin Biotech · 2013 · 4 generations on55descendants
- K140748One Step Single/Multi-Drug Test Cup, One Step Single/Multi-Drug Test DipcardCo-Innovation Biotech Co., Ltd. · 2014 · 5 generations on16descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K980249 | Accusign Tca, Biosign Tca, Staus DS Tca | Princeton BioMeditech Corp. | 1998 | — |
| 0 (this device) | K021526 | Acon Tca One Step Tricyclic Antidepressant Test Strip and Device | ACON Laboratories, Inc. | 2002 | — |
| +1 | K023946 | Acon One Step Multi-Drug Multi-Line Screen Test Card, Acon One Step Multi-Drug… | ACON Laboratories, Inc. | 2003 | — |
| +2 | K031759 | Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon Spectrum… | ACON Laboratories, Inc. | 2003 | 1 |
| +3 | K061718 | Innovacon Spectrum II Test Card | Innovacon, Inc. | 2006 | 6 |
| +4 | K122809 | Advin Multi-Drug Screen Test Cassette, Dip Card and Cup | Advin Biotech | 2013 | — |
| +5 | K140748 | One Step Single/Multi-Drug Test Cup, One Step Single/Multi-Drug Test Dipcard | Co-Innovation Biotech Co., Ltd. | 2014 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 2 | 0 |
| 2004 | 3 | 0 |
| 2005 | 1 | 0 |
| 2006 | 3 | 0 |
| 2009 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 3 | 0 |
| 2014 | 4 | 0 |
| 2015 | 9 | 0 |
| 2016 | 9 | 0 |
| 2017 | 2 | 0 |
| 2018 | 9 | 0 |
| 2019 | 6 | 0 |
| 2020 | 4 | 0 |
| 2021 | 3 | 0 |
| 2022 | 3 | 0 |
| 2023 | 7 | 0 |
| 2024 | 9 | 0 |
| 2025 | 7 | 0 |
| 2026 | 4 | 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 LFG? 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 |
|---|---|---|---|
| * | K980249 | Accusign Tca, Biosign Tca, Staus DS TcaSummary page 2…proper volume of specimen has been added and membrane wicking has occurred. Predicate Device: Status DSm TCA One step Tricyclic Antidepressants Test 5 1O(k) Number: K980249 Comparison to a Predicate Device: A comparison of the features of the ACON TCA One Step Tricyclic Antidepressant Test Strip and… | 1998 |
What descends from it? (92)
See all 925 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K023946 | Acon One Step Multi-Drug Multi-Line Screen Test Card, Acon One Step Multi-Drug… | 2003 | 86 |
| K041685 | Acon Multi-Clin Drug Screen Test Device | 2004 | 1 |
| K112395 | Wondfo Phencyclidine Urine Test, Tricyclic Antidepressants Urine Test | 2011 | 0 |
| K052197 | First Sign Drug of Abuse Urine Screening Test | 2006 | 0 |
| K041743 | Acon Tri-Fect Drug Screen Test Device | 2004 | 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?
- Its one ancestor has no recall.
- Of its descendants, K023946 (ACON Laboratories, Inc., 2003) has gone furthest, with 86 descendants of its own.
How does its category compare?
All LFG devicesLFG Radioimmunoassay, Tricyclic Antidepressant Drugs: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LFG
1in 2015
2026 to Oct 25, outlined.
Median 510(k) review, days · LFG
Too few LFG 510(k)s in any year since 2007 to give a median.
Recalls per year · LFG
1so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LFG
1in 2024
MAUDE reports naming product code LFG, 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 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 1 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 1 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 1 | — |
What is it indicated for?
The ACON TCA One Step Tricyclic Antidepressants Test Strip and ACON TCA One Step Tricyclic Antidepressant Test Device are rapid chromatographic immunoassays for the qualitative detection of Tricyclic Antidepressants in human urine at a cut-off concentration of 1,000 ng/mL in reference to Nortriptyline. They are intended for Healthcare professionals including professionals at the point-of-care sites.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K021526 · printed Nov 4, 2026
Cite this page
510(k) Report. “K021526: Acon Tca One Step Tricyclic Antidepressant Test Strip and Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K021526
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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