510(k) Report

510(k) · Cleared

Cleared

Barbiturate Eia Essay (Modification)

K955928510(k) TraditionalCleared Mar 11, 199684-day reviewClass II21 CFR 862.3150

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

Diagnostic Reagents, Inc. · DIS Enzyme Immunoassay, Barbiturate

Cleared on Mar 11, 1996 after an 84-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 3 later devices descend from it.

Decided
Mar 11, 1996
Review
84 days
Class
Class II
Product code
DIS
Recalls
None
Predicates
0

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

Descendants, by year cleared 2016: 1 descendant cleared2019: 1 descendant cleared2020: 1 descendant cleared1995200020052010201520202025
  1. This deviceK955928 Barbiturate Eia Essay (Modification)Diagnostic Reagents, Inc. · 1996
  2. Descendant · cites it directly · 2 of its ownK161714 Immunalysis Barbiturates Urine Enzyme Immunoassay, Immunalysis…Immunalysis Corporation · 2016
  3. Descendant · 2 generations on · 1 of its ownK182719 Quidel Triage TOX Drug Screen, 94600; Quidel Triage® MeterProQuidel Cardiovascular, Inc. · 2019
  4. Descendant · 3 generations on · 0 of its ownK200363 Quidel Triage® TOX Drug Screen, 94600Quidel Cardiovascular, Inc. · 2020

Most influential descendants

Showing 3 of 3 · See all
  • K161714Immunalysis Barbiturates Urine Enzyme Immunoassay, Immunalysis Multi-Drug CalibratorsImmunalysis Corporation · 2016 · cites it directly2descendants
  • K182719Quidel Triage TOX Drug Screen, 94600; Quidel Triage® MeterProQuidel Cardiovascular, Inc. · 2019 · 2 generations on1descendant
  • K200363Quidel Triage® TOX Drug Screen, 94600Quidel Cardiovascular, Inc. · 2020 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K955928Barbiturate Eia Essay (Modification)Diagnostic Reagents, Inc.1996—
+1K161714Immunalysis Barbiturates Urine Enzyme Immunoassay, Immunalysis Multi-Drug…Immunalysis Corporation2016—
+2K182719Quidel Triage TOX Drug Screen, 94600; Quidel Triage® MeterProQuidel Cardiovascular, Inc.2019—
+3K200363Quidel Triage® TOX Drug Screen, 94600Quidel Cardiovascular, Inc.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
201910
202010
FIG. 1 — Lineage of K955928, 1996–2020Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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

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

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K161714Immunalysis Barbiturates Urine Enzyme Immunoassay, Immunalysis Multi-Drug CalibratorsImmunalysis Corporation20162

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, K161714 (Immunalysis Corporation, 2016) has gone furthest, with 2 descendants of its own.

How does its category compare?

All DIS devices

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

FDA decisions per year · DIS

1in 2016

2007: 32011: 22014: 22015: 32016: 1
2007high 3 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DIS

29in 2015

2007: 331 days median2015: 29 days median
2007high 331 (2007) · low 29 (2015)2026

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

Recalls per year · DIS

1in 2016

2011: 12012: 12016: 1
2007high 1 (2011) · low 0 (2007)2026

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

Adverse event reports per year · DIS

1in 2018

2007: 12008: 12018: 1
2007high 1 (2007) · low 0 (2009)2025

MAUDE reports naming product code DIS, 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
2007333101
20080—01
20090—00
20100—00
20112—10
20120—10
20130—00
20142—00
201532900
20161—10
20170—00
20180—01
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K955928: Barbiturate Eia Essay (Modification).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K955928

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026