510(k) Report

510(k) · Cleared

Cleared

Acon Quik-Check II Home Pregnancy Test Strip

K033041510(k) TraditionalCleared Nov 21, 200353-day reviewClass II21 CFR 862.1155

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

ACON Laboratories, Inc. · LCX Kit, Test, Pregnancy, Hcg, Over The Counter

Cleared on Nov 21, 2003 as substantially equivalent to K993483 (ACON Laboratories, Inc., 2000) after a 53-day review. Its family tree reaches back 1 generation to 2000. 15 later devices descend from it.

Decided
Nov 21, 2003
Review
53 days
Class
Class II
Product code
LCX
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K993483 (2000). 15 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2024: 3 descendants cleared2020: 1 descendant cleared2018: 2 descendants cleared2015: 1 descendant cleared2023: 2 descendants cleared2009: 1 descendant cleared2019: 2 descendants cleared2022: 1 descendant cleared2025: 1 descendant clearedK993483 · Acon One Step Home Pregnancy Test Strip · ACON Laboratories, Inc. · 2000200020052010201520202025
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 9 descendants3 generations forward: 4 descendants4 generations forward: 1 descendant K993483 · Acon One Step Home Pregnancy Test Strip · ACON Laboratories, Inc. · 20000
  1. Root · 1 generation backK993483 Acon One Step Home Pregnancy Test StripACON Laboratories, Inc. · 2000
  2. This deviceK033041 Acon Quik-Check II Home Pregnancy Test StripACON Laboratories, Inc. · 2003
  3. Descendant · cites it directly · 14 of its ownK043443 One Step HCG Urine Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd. · 2005
  4. Descendant · 2 generations on · 2 of its ownK173229 Preview Digital Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd. · 2018
  5. Descendant · 3 generations on · 1 of its ownK222305 MissLan™ Digital Pregnancy Rapid TestGuangzhou Decheng Biotechnology Co., Ltd. · 2022
  6. Descendant · 2 generations on · 1 of its ownK200133 hCG Urine Test Strip, hCG Urine Test Cassette, hCG Urine Test…Safecare Biotech (Hangzhou) Co., Ltd. · 2020
  7. Descendant · 2 generations on · 1 of its ownK192123 HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test…Qingdao Hightop Biotech Co., Ltd. · 2019

Showing 5 of 15 descendants. See all descendants

Descendants cleared per year

2005: 12009: 12015: 12018: 22019: 22020: 12022: 12023: 22024: 32025: 1
2005high 3 (2024) · low 0 (2006)2026

Most influential descendants

Showing 5 of 15 · See all
  • K043443One Step HCG Urine Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd. · 2005 · cites it directly14descendants
  • K173229Preview Digital Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd. · 2018 · 2 generations on2descendants
  • K222305MissLan™ Digital Pregnancy Rapid TestGuangzhou Decheng Biotechnology Co., Ltd. · 2022 · 3 generations on1descendant
  • K200133hCG Urine Test Strip, hCG Urine Test Cassette, hCG Urine Test MidstreamSafecare Biotech (Hangzhou) Co., Ltd. · 2020 · 2 generations on1descendant
  • K192123HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test Strip, HIGHTOP…Qingdao Hightop Biotech Co., Ltd. · 2019 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K993483Acon One Step Home Pregnancy Test StripACON Laboratories, Inc.2000—
0 (this device)K033041Acon Quik-Check II Home Pregnancy Test StripACON Laboratories, Inc.2003—
+1K043443One Step HCG Urine Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd.2005—
+2K173229Preview Digital Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd.2018—
+3K222305MissLan™ Digital Pregnancy Rapid TestGuangzhou Decheng Biotechnology Co., Ltd.2022—
+2K200133hCG Urine Test Strip, hCG Urine Test Cassette, hCG Urine Test MidstreamSafecare Biotech (Hangzhou) Co., Ltd.2020—
+2K192123HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test Strip…Qingdao Hightop Biotech Co., Ltd.2019—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200910
201510
201820
201920
202010
202210
202320
202430
202510
FIG. 1 — Lineage of K033041, 2000–2025Source: 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), 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 LCX? 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 LCX device

  1. #1 K251040 MissLan® Early Detection Digital Pregnancy…score 11.2 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K993483Acon One Step Home Pregnancy Test Strip
Summary page 1
…ancy Test Strip Common Name: Pregnancy Test Kit, Over-the-Counter Classification Name: Gonadotropin Name of the Predicate Device ACON Home Pregnancy Test Strip (K993483) Medical Specialty: Clinical Chemistry Device Description: The test utilizes a combination of mouse monoclonal and goat pol…
ACON Laboratories, Inc.2000—

What descends from it? (15)

See all 15

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

NumberDeviceApplicantDecidedDescendants
K043443One Step HCG Urine Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd.200514

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, K043443 (Guangzhou Wondfo Biotech Co., Ltd., 2005) has gone furthest, with 14 descendants of its own.

How does its category compare?

All LCX devices

LCX Kit, Test, Pregnancy, Hcg, Over The Counter: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LCX

5in 2025

2007: 42009: 22011: 52012: 12013: 82015: 22016: 12017: 12018: 42019: 72020: 22021: 22022: 62023: 22024: 102025: 5
2007high 10 (2024) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LCX

102in 2025

2007: 223 days median2011: 234 days median2013: 152 days median2018: 162 days median2019: 50 days median2022: 264 days median2024: 132 days median2025: 102 days median
2007high 264 (2022) · low 50 (2019)2026

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

Recalls per year · LCX

1in 2025

2009: 12010: 22023: 82025: 1
2007high 8 (2023) · low 0 (2007)2026

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

Adverse event reports per year · LCX

6in 2025

2007: 262008: 452009: 82010: 212011: 192012: 32013: 32014: 32015: 22016: 42017: 12018: 22019: 32020: 32021: 42022: 122023: 62024: 32025: 6
2007high 45 (2008) · low 1 (2017)2025

MAUDE reports naming product code LCX, 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
20074223026
20080—045
20092—18
20100—221
20115234019
20121—03
2013815203
20140—03
20152—02
20161—04
20171—01
2018416202
201975003
20202—03
20212—04
20226264012
20232—86
20241013203
2025510216
20260—0—

What is it indicated for?

The ACON Quik-Check II Home Pregnancy Test Strip is for the qualitative detection the elevated level of human Chorionic Gonadotropin (hCG) in urine to aid in the determination of pregnancy. It is intended for non-professional, over-the-counter use.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033041: Acon Quik-Check II Home Pregnancy Test Strip.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K033041

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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