510(k) Report

510(k) · Cleared

Cleared

HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test Strip, HIGHTOP Pregnancy Rapid Test Midstream

K192123510(k) TraditionalCleared Sep 5, 201930-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

Qingdao Hightop Biotech Co., Ltd. · LCX Kit, Test, Pregnancy, Hcg, Over The Counter

Cleared on Sep 5, 2019 as substantially equivalent to K043443 (Guangzhou Wondfo Biotech Co., Ltd., 2005) after a 30-day review. Its family tree reaches back 4 generations to 1994. 1 later device descends from it.

Decided
Sep 5, 2019
Review
30 days
Class
Class II
Product code
LCX
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K941090 (1994). 8 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 1 other ancestor2003: 2 other ancestors2000: 1 other ancestor2025: 1 descendant clearedK941090 · Unistep HCG Pregnancy Test Strip · Biotech Atlantic, Inc. · 1994K960174 · Unimark Midstream Pregnancy Test Stick · Biotech Atlantic, Inc. · 1996K032992 · Unimark Home Pregnancy Test Device · Biotech Atlantic, Inc. · 2003K043443 · One Step HCG Urine Pregnancy Test · Guangzhou Wondfo Biotech Co., Ltd. · 20051990200020102020
  1. Root · 4 generations backK941090 Unistep HCG Pregnancy Test StripBiotech Atlantic, Inc. · 1994
  2. 3 generations backK960174 Unimark Midstream Pregnancy Test StickBiotech Atlantic, Inc. · 1996
  3. 2 generations backK032992 Unimark Home Pregnancy Test DeviceBiotech Atlantic, Inc. · 2003
  4. 1 generation backK043443 One Step HCG Urine Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd. · 2005
  5. This deviceK192123 HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test…Qingdao Hightop Biotech Co., Ltd. · 2019
  6. Descendant · cites it directly · 0 of its ownK242135 Synthgene Home Test HCG Test Strip; Synthgene Home Test HCG Test…Nanjing Synthgene Medical Technology Co., Ltd. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K242135Synthgene Home Test HCG Test Strip; Synthgene Home Test HCG Test Cassette; Synthgene…Nanjing Synthgene Medical Technology Co., Ltd. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K941090Unistep HCG Pregnancy Test StripBiotech Atlantic, Inc.1994—
−3K960174Unimark Midstream Pregnancy Test StickBiotech Atlantic, Inc.1996—
−2K032992Unimark Home Pregnancy Test DeviceBiotech Atlantic, Inc.2003—
−1K043443One Step HCG Urine Pregnancy TestGuangzhou Wondfo Biotech Co., Ltd.2005—
0 (this device)K192123HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test Strip…Qingdao Hightop Biotech Co., Ltd.2019—
+1K242135Synthgene Home Test HCG Test Strip; Synthgene Home Test HCG Test Cassette…Nanjing Synthgene Medical Technology Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200320
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K192123, 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), 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
*K043443One Step HCG Urine Pregnancy Test
Summary page 4
…de LCX CFR 862.1155 5. Predicate Devices: WONDFO One Step HCG Urine Pregnancy Test (k043443) 6. Device Description HIGHTOP Pregnancy Rapid Test measures the presence of the hormone Human Chorionic Gonadotrophin (HCG) in…
Guangzhou Wondfo Biotech Co., Ltd.2005—

Also cleared against K043443: 8 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K242135Synthgene Home Test HCG Test Strip; Synthgene Home Test HCG Test Cassette; Synthgene…Nanjing Synthgene Medical Technology Co., Ltd.20250

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 25 years and passes through 3 companies; a new generation was cleared every 7.6 years on median.
  • None of the 8 ancestors has a recall.
  • Of its descendants, K242135 (Nanjing Synthgene Medical Technology Co., Ltd., 2025) has gone furthest, with 0 descendants of its own.
  • 8 other devices also cite its predicate K043443.

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. 2019, this device’s year, is highlighted.

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?

HIGHTOP Pregnancy Rapid Test Cassette is intended for the qualitative detection of human chorionic gonadotropin

(hCG) in urine, as an aid in early detection of pregnancy.

HIGHTOP Pregnancy Rapid Test Strip is intended for the qualitative detection of human chorionic gonadotropin (hCG) in

urine, as an aid in early detection of pregnancy.

HIGHTOP Pregnancy Rapid Test Midstream is intended for the qualitative detection of human chorionic gonadotropin

(hCG) in urine, as an aid in early detection of pregnancy.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K192123: HIGHTOP Pregnancy Rapid Test Cassette, HIGHTOP Pregnancy Rapid Test Strip, HIGHTOP Pregnancy Rapid Test Midstream.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K192123

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