510(k) Report

510(k) · Cleared

Cleared

Accusign MTD, Biosign MTD

K991080510(k) SpecialCleared Apr 15, 199920-day reviewClass II21 CFR 862.3620

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Princeton BioMeditech Corp. · DJR Enzyme Immunoassay, Methadone

Cleared on Apr 15, 1999 after a 20-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 3 later devices descend from it.

Decided
Apr 15, 1999
Review
20 days
Class
Class II
Product code
DJR
Recalls
None
Predicates
0

3 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2001: 1 descendant cleared2010: 1 descendant cleared2006: 1 descendant cleared1995200020052010201520202025
  1. This deviceK991080 Accusign MTD, Biosign MTDPrinceton BioMeditech Corp. · 1999
  2. Descendant · cites it directly · 2 of its ownK012595 Acon MTD One Step Methadone Test Strip and Test DeviceACON Laboratories, Inc. · 2001
  3. Descendant · 2 generations on · 0 of its ownK092048 One Step Eddp (Methadone Metabolite) Test StripBiosite Incorporated · 2010
  4. Descendant · 2 generations on · 0 of its ownK052197 First Sign Drug of Abuse Urine Screening TestW.H.P.M., Inc. · 2006

Most influential descendants

Showing 3 of 3 · See all
  • K012595Acon MTD One Step Methadone Test Strip and Test DeviceACON Laboratories, Inc. · 2001 · cites it directly2descendants
  • K092048One Step Eddp (Methadone Metabolite) Test StripBiosite Incorporated · 2010 · 2 generations on0descendants
  • K052197First Sign Drug of Abuse Urine Screening TestW.H.P.M., Inc. · 2006 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K991080Accusign MTD, Biosign MTDPrinceton BioMeditech Corp.1999—
+1K012595Acon MTD One Step Methadone Test Strip and Test DeviceACON Laboratories, Inc.2001—
+2K092048One Step Eddp (Methadone Metabolite) Test StripBiosite Incorporated2010—
+2K052197First Sign Drug of Abuse Urine Screening TestW.H.P.M., Inc.2006—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200110
200610
201010
FIG. 1 — Lineage of K991080, 1999–2010Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DJR? 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
Get a 510(k) Report

What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (3)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K012595Acon MTD One Step Methadone Test Strip and Test DeviceACON Laboratories, Inc.20012

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?

  • Of its descendants, K012595 (ACON Laboratories, Inc., 2001) has gone furthest, with 2 descendants of its own.

How does its category compare?

All DJR devices

DJR Enzyme Immunoassay, Methadone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DJR

1in 2019

2009: 12010: 32013: 12015: 32016: 12017: 12018: 12019: 1
2007high 3 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DJR

59in 2015

2010: 469 days median2015: 59 days median
2007high 469 (2010) · low 59 (2015)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · DJR

1in 2010

2008: 22009: 12010: 1
2007high 2 (2008) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DJR

1in 2025

2010: 32011: 62012: 12014: 22015: 22016: 12025: 1
2007high 6 (2011) · low 0 (2007)2025

MAUDE reports naming product code DJR, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—20
20091—10
2010346913
20110—06
20120—01
20131—00
20140—02
201535902
20161—01
20171—00
20181—00
20191—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—01
20260—0—

What is it indicated for?

Immunoassay for the qualitative detection of methadone in human urine to assist in screening of drug of abuse samples and/or diagnosis of clinical symptoms associated with the use of drug.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K991080: Accusign MTD, Biosign MTD.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K991080

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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