510(k) Report

510(k) · Cleared

Recalled · 2005

PTT-LA Test Kit

K921684510(k) TraditionalCleared Jun 9, 199262-day reviewClass II21 CFR 864.7925Recalls 1

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

American Bioproducts Co. · GGW Test, Time, Partial Thromboplastin

Cleared on Jun 9, 1992 after a 62-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. It has been recalled once.

Decided
Jun 9, 1992
Review
62 days
Class
Class II
Product code
GGW
Recalls
1
Predicates
0

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

FIG. 1 — Lineage of K921684Source: FDA 510(k) database · 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.

Planning a device in GGW? 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 GGW device

  1. #1 K260551 HemosIL Factor V Leiden (APC Resistance V)score 11.3 · 2 generations · no Class I recall
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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?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 13, 2005Not classifiedZ-1419-05OtherVariable clotting times observed with the PTT-LA, Lupus Anticoagulant-Sensitive APTT Reagent.

No ancestor or descendant has a Class I recall.

How does its category compare?

All GGW devices

GGW Test, Time, Partial Thromboplastin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GGW

1in 2010

2009: 12010: 12026 (partial year): 1
2007high 1 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GGW

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

Recalls per year · GGW

1in 2011

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

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

Adverse event reports per year · GGW

11in 2025

2012: 42013: 22014: 22016: 72017: 152018: 182019: 32020: 42021: 42022: 12024: 52025: 11
2007high 18 (2018) · low 0 (2007)2025

MAUDE reports naming product code GGW, 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—00
20091—00
20101—00
20110—10
20120—04
20130—02
20140—02
20150—00
20160—07
20170—015
20180—018
20190—03
20200—04
20210—04
20220—01
20230—00
20240—05
20250—011
20261—0—
Cite this page

510(k) Report. “K921684: PTT-LA Test Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K921684

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