510(k) · Cleared
ClearedWondfo Amphetamine Urine Test AMP 500 (Cup, Dipcard), Wondfo Cocaine Urine Test COC 150(Cup, Dipcard), Wondfo Methamphetamine Urine Test MET 500 (Cup, Dipcard)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Guangzhou Wondfo Biotech Co., Ltd. · DIO Enzyme Immunoassay, Cocaine And Cocaine Metabolites
Cleared on Jun 27, 2016 as substantially equivalent to K122809 (Advin Biotech, 2013) after a 59-day review. Its family tree reaches back 6 generations to 1995.
- Decided
- Jun 27, 2016
- Review
- 59 days
- Class
- Class II
- Product code
- DIO
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K945610 (1995). 27 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK945610 Abusign (TM) Amp, Doa-Amp, Accusign (TM) Amp-Doa-Amp, Biosign (TM)…Princeton BioMeditech Corp. · 1995
- 5 generations backK011673 Acon Amp One Step Amphetamine Test Strip, Acon Amp One Step…ACON Laboratories, Inc. · 2001
- 4 generations backK020313 Acon One Step Multi-Drug Multi-Line Screen Test Card; Acon One Step…Acon Laboratories Co. · 2002
- 3 generations backK031759 Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon…ACON Laboratories, Inc. · 2003 · Recalled
- 2 generations backK061718 Innovacon Spectrum II Test CardInnovacon, Inc. · 2006 · Recalled
- 1 generation backK122809 Advin Multi-Drug Screen Test Cassette, Dip Card and CupAdvin Biotech · 2013
- This deviceK161214 Wondfo Amphetamine Urine Test AMP 500 (Cup, Dipcard), Wondfo Cocaine…Guangzhou Wondfo Biotech Co., Ltd. · 2016
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K945610 | Abusign (TM) Amp, Doa-Amp, Accusign (TM) Amp-Doa-Amp, Biosign (TM) Amp, Doa-Amp | Princeton BioMeditech Corp. | 1995 | — |
| −5 | K011673 | Acon Amp One Step Amphetamine Test Strip, Acon Amp One Step Amphetamine Test… | ACON Laboratories, Inc. | 2001 | — |
| −4 | K020313 | Acon One Step Multi-Drug Multi-Line Screen Test Card; Acon One Step Multi-Drug… | Acon Laboratories Co. | 2002 | — |
| −3 | K031759 | Acon Spectrum Multi-Drug Multi-Line Drug Screen Test Card and Acon Spectrum… | ACON Laboratories, Inc. | 2003 | 1 |
| −2 | K061718 | Innovacon Spectrum II Test Card | Innovacon, Inc. | 2006 | 6 |
| −1 | K122809 | Advin Multi-Drug Screen Test Cassette, Dip Card and Cup | Advin Biotech | 2013 | — |
| 0 (this device) | K161214 | Wondfo Amphetamine Urine Test AMP 500 (Cup, Dipcard), Wondfo Cocaine Urine… | Guangzhou Wondfo Biotech Co., Ltd. | 2016 | — |
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 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 3 | 0 |
| 2005 | 1 | 0 |
| 2006 | 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 DIO? 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 DIO device
- #1 K213211 Carolina Liquid Chemistries Cocaine and…score 3.0 · 2 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 |
|---|---|---|---|
| * | K122809 | Advin Multi-Drug Screen Test Cassette, Dip Card and CupSummary page 5…2.3100 Amphetamine Test System Toxicology DJC 21 CFR, 862.3610 Methamphetamine Test System Toxicology 5. Predicate Devices: K122809 Advin Multi-Drug Screen Test 6. Intended Use WONDFO Urine Test Amphetamine Cup is a rapid test for the qualitative detecti… | 2013 |
| † | K122961 | Wondfo Amphetamine Urine Test (Amp 300), Wondfo Methamphetamine Urine Test (Met 500) | 2012 |
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 6 companies; a new generation was cleared every 3.3 years on median.
- 2 of the 27 ancestors have a recall of any class.
- 11 other devices also cite its predicate K122809.
How does its category compare?
All DIO devicesDIO Enzyme Immunoassay, Cocaine And Cocaine Metabolites: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.
FDA decisions per year · DIO
1in 2022
2026 to Oct 25, outlined.
Median 510(k) review, days · DIO
267in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DIO
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DIO
1in 2023
MAUDE reports naming product code DIO, 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 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 5 | 65 | 0 | 4 |
| 2012 | 5 | 139 | 0 | 0 |
| 2013 | 2 | — | 1 | 0 |
| 2014 | 2 | — | 0 | 1 |
| 2015 | 2 | — | 0 | 7 |
| 2016 | 3 | 88 | 0 | 9 |
| 2017 | 3 | 267 | 0 | 16 |
| 2018 | 1 | — | 0 | 12 |
| 2019 | 0 | — | 0 | 22 |
| 2020 | 1 | — | 0 | 0 |
| 2021 | 1 | — | 0 | 0 |
| 2022 | 1 | — | 0 | 1 |
| 2023 | 0 | — | 0 | 1 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Wondfo Amphetamine Urine Test AMP 500 Cup is an immunochromatographic assay for the qualitative determination of Amphetamine in human urine at a Cut-Off concentration of 500 ng/mL. This test is calibrated to d-Amphetamine (calibrator). The 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 (882 words)
Wondfo Amphetamine Urine Test AMP 500 Cup is an immunochromatographic assay for the qualitative determination of Amphetamine in human urine at a Cut-Off concentration of 500 ng/mL. This test is calibrated to d-Amphetamine (calibrator).
The 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. This test is intended for over-the-counter (OTC) consumer use as the first step in a two-step process to provide consumers with information concerning the presence or absence of the above stated drugs or their metabolites in a urine sample. Information regarding confirmatory testing- the second step in the process, is provided in the package labeling.
Wondfo Amphetamine Urine Test AMP 500 DipCard is an immunochromatographic assay for the qualitative determination of Amphetamine in human urine at a Cut-Off concentration of 500 ng/mL. This test is calibrated to d-Amphetamine (calibrator).
The 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. This test is intended for over-the-counter (OTC) consumer use as the first step in a two-step process to provide consumers with information concerning the presence or absence of the above stated drugs or their metabolites in a urine sample. Information regarding confirmatory testing- the second step in the process, is provided in the package labeling.
Wondfo Cocaine Urine Test COC 150 Cup is an immunochromatographic assay for the qualitative determination of Benzoylecgonine in human urine at a Cut-Off concentration of 150 ng/mL. This test is calibrated to Benzoylecgonine (calibrator).
The 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. This test is intended for over-the-counter (OTC) consumer use as the first step in a two-step process to provide consumers with information concerning the presence or absence of the above stated drugs or their metabolites in a urine sample. Information regarding confirmatory testing- the second step in the process, is provided in the package labeling.
Wondfo Cocaine Urine Test COC 150 DipCard is an immunochromatographic assay for the qualitative determination of Benzoylecgonine in human urine at a Cut-Off concentration of 150 ng/mL. This test is calibrated to Benzoylecgonine (calibrator).
The 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. This test is intended for over-the-counter (OTC) consumer use as the first step in a two-step process to provide consumers with information concerning the presence or absence of the above stated drugs or their metabolites in a urine sample. Information regarding confirmatory testing- the second step in the process, is provided in the package labeling.
Wondfo Methamphetamine Urine Test MET 500 Cup is an immunochromatographic assay for the qualitative determination of Methamphetamine in human urine at a Cut-Off concentration of 500 ng/mL. This test is calibrated to d-Methamphetamine (calibrator).
The 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. This test is intended for over-the-counter (OTC) consumer use as the first step in a two-step process to provide consumers with information concerning the presence or absence of the above stated drugs or their metabolites in a urine sample. Information regarding confirmatory testing- the second step in the process, is provided in the package labeling.
Wondfo Amphetamine Urine Test MET 500 DipCard is an immunochromatographic assay for the qualitative determination of Methamphetamine in human urine at a Cut-Off concentration of 500 ng/mL. This test is calibrated to d-Methamphetamine (calibrator).
The 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. This test is intended for over-the-counter (OTC) consumer use as the first step in a two-step process to provide consumers with information concerning the presence or absence of the above stated drugs or their metabolites in a urine sample. Information regarding confirmatory testing- the second step in the process, is provided in the package labeling.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K161214 · printed Nov 6, 2026
Cite this page
510(k) Report. “K161214: Wondfo Amphetamine Urine Test AMP 500 (Cup, Dipcard), Wondfo Cocaine Urine Test COC 150(Cup, Dipcard), Wondfo Methamphetamine Urine Test MET 500 (Cup, Dipcard).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161214
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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