510(k) Report

510(k) · Cleared

Cleared

Chemstrip Mini UA Urine Analyzer

K943592510(k) TraditionalCleared Nov 8, 1994106-day reviewClass I21 CFR 862.2900

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

Boehringer Mannheim Corp. · KQO Automated Urinalysis System

Cleared on Nov 8, 1994 after a 106-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 14 later devices descend from it.

Decided
Nov 8, 1994
Review
106 days
Class
Class I
Product code
KQO
Recalls
None
Predicates
0

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

Descendants, by year cleared 1998: 1 descendant cleared2002: 1 descendant cleared2003: 2 descendants cleared2011: 1 descendant cleared2023: 1 descendant cleared2009: 1 descendant cleared2006: 1 descendant cleared2016: 1 descendant cleared2013: 1 descendant cleared2024: 1 descendant cleared2021: 1 descendant cleared2017: 1 descendant cleared2025: 1 descendant cleared1990200020102020
  1. This deviceK943592 Chemstrip Mini UA Urine AnalyzerBoehringer Mannheim Corp. · 1994
  2. Descendant · cites it directly · 13 of its ownK983510 Chemstrip 101 Urine AnalyzerBoehringer Mannheim Corp. · 1998
  3. Descendant · 2 generations on · 11 of its ownK013783 Aution Max AX-4280 Urinalysis SystemInternational Remote Imaging Systems · 2002
  4. Descendant · 3 generations on · 4 of its ownK093098 Aution Max Model AX-4030 Urinalysis SystemArkray, Inc. · 2009
  5. Descendant · 3 generations on · 3 of its ownK101852 Chem Velocity Automated Urine Chemistry System, Strips and Calchek KitIris International Inc., A Division of Iris Iris I · 2011 · Recalled
  6. Descendant · 4 generations on · 2 of its ownK171083 iChemVELOCITY Automated Urine Chemistry SystemIris Diagnostics, A Division of Iris International, Inc. · 2017

Showing 5 of 14 descendants. See all descendants

Descendants cleared per year

1998: 12002: 12003: 22006: 12009: 12011: 12013: 12016: 12017: 12021: 12023: 12024: 12025: 1
1998high 2 (2003) · low 0 (1999)2026

Most influential descendants

Showing 5 of 14 · See all
  • K983510Chemstrip 101 Urine AnalyzerBoehringer Mannheim Corp. · 1998 · cites it directly13descendants
  • K013783Aution Max AX-4280 Urinalysis SystemInternational Remote Imaging Systems · 2002 · 2 generations on11descendants
  • K093098Aution Max Model AX-4030 Urinalysis SystemArkray, Inc. · 2009 · 3 generations on4descendants
  • K101852Chem Velocity Automated Urine Chemistry System, Strips and Calchek KitIris International Inc., A Division of Iris Iris I · 2011 · 3 generations on3descendants
  • K171083iChemVELOCITY Automated Urine Chemistry SystemIris Diagnostics, A Division of Iris International, Inc. · 2017 · 4 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K943592Chemstrip Mini UA Urine AnalyzerBoehringer Mannheim Corp.1994—
+1K983510Chemstrip 101 Urine AnalyzerBoehringer Mannheim Corp.1998—
+2K013783Aution Max AX-4280 Urinalysis SystemInternational Remote Imaging Systems2002—
+3K093098Aution Max Model AX-4030 Urinalysis SystemArkray, Inc.2009—
+3K101852Chem Velocity Automated Urine Chemistry System, Strips and Calchek KitIris International Inc., A Division of Iris Iris I201111
+4K171083iChemVELOCITY Automated Urine Chemistry SystemIris Diagnostics, A Division of Iris International, Inc.2017—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200210
200320
200610
200910
201110
201310
201610
201710
202110
202310
202410
202510
FIG. 1 — Lineage of K943592, 1994–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KQO? 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 has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (14)

See all 14

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

NumberDeviceApplicantDecidedDescendants
K983510Chemstrip 101 Urine AnalyzerBoehringer Mannheim Corp.199813

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, K983510 (Boehringer Mannheim Corp., 1998) has gone furthest, with 13 descendants of its own.

How does its category compare?

All KQO devices

KQO Automated Urinalysis System: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KQO

2in 2015

2007: 12009: 12010: 22011: 22013: 12014: 12015: 2
2007high 2 (2010) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KQO

Too few KQO 510(k)s in any year since 2007 to give a median.

Recalls per year · KQO

1in 2021

2010: 72011: 22013: 12016: 12019: 22021: 12026 (partial year): 2
2007high 7 (2010) · low 0 (2007)2026

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

Adverse event reports per year · KQO

12in 2025

2007: 12008: 42009: 92010: 32011: 82012: 152013: 922014: 1062015: 2382016: 3732017: 202018: 252019: 642020: 212021: 132022: 152023: 192024: 202025: 12
2007high 373 (2016) · low 1 (2007)2025

MAUDE reports naming product code KQO, 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
20071—01
20080—04
20091—09
20102—73
20112—28
20120—015
20131—192
20141—0106
20152—0238
20160—1373
20170—020
20180—025
20190—264
20200—021
20210—113
20220—015
20230—019
20240—020
20250—012
20260—2—
Cite this page

510(k) Report. “K943592: Chemstrip Mini UA Urine Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K943592

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
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026