510(k) Report

510(k) · Cleared

Cleared

Vital Scientific Aptt, Aptt & Quikcoag Aptt

K022021510(k) TraditionalCleared Nov 1, 2002134-day reviewClass II21 CFR 864.7925

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

Vital Scientific N.V. · GFO Activated Partial Thromboplastin

Cleared on Nov 1, 2002 as substantially equivalent to K891337 (Pacific Hemostasis, 1989) after a 134-day review. Its family tree reaches back 1 generation to 1989.

Decided
Nov 1, 2002
Review
134 days
Class
Class II
Product code
GFO
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K891337 (1989). No later device cites it as a predicate yet.

K891337 · Thromboscreen Aptt Reagent · Pacific Hemostasis · 19890
  1. Root · 1 generation backK891337 Thromboscreen Aptt ReagentPacific Hemostasis · 1989
  2. This deviceK022021 Vital Scientific Aptt, Aptt & Quikcoag ApttVital Scientific N.V. · 2002
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K891337Thromboscreen Aptt ReagentPacific Hemostasis1989—
0 (this device)K022021Vital Scientific Aptt, Aptt & Quikcoag ApttVital Scientific N.V.2002—
FIG. 1 — Lineage of K022021, 1989–2002Source: 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 GFO? 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 GFO device

  1. #1 K253957 HemosIL Silica Clotting Timescore 11.6 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
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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
*K891337Thromboscreen Aptt Reagent
Summary page 2
…safety and effectiveness of APTT has been demonstrated by showing its substantial equivalence to APTT-LS manufactured by Fisher Diagnostics (formerly Pacific Hemostasis) K891337. A correlation study was performed using a total of 107 patient plasmas; 30 from patients with normal APTT values and 77 with pa…
Pacific Hemostasis1989—
†K884863Electra 900C Automatic Coagulation TimerMedical Laboratory Automation Systems, Inc.1989—
†K881367Acl Systems 100, 200, 300 and 300+ Coagulation SysInstrumentation Laboratory CO1988—

Also cleared against K891337: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

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.
  • 1 other device also cites its predicate K891337.

How does its category compare?

All GFO devices

GFO Activated Partial Thromboplastin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GFO

1in 2020

2016: 12020: 12026 (partial year): 1
2007high 1 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GFO

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

Recalls per year · GFO

1in 2025

2013: 12018: 22025: 1
2007high 2 (2018) · low 0 (2007)2026

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

Adverse event reports per year · GFO

14in 2025

2011: 72013: 32014: 22015: 22016: 32017: 192018: 42019: 12021: 112023: 32024: 22025: 14
2007high 19 (2017) · low 0 (2007)2025

MAUDE reports naming product code GFO, 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
20090—00
20100—00
20110—07
20120—00
20130—13
20140—02
20150—02
20161—03
20170—019
20180—24
20190—01
20201—00
20210—011
20220—00
20230—03
20240—02
20250—114
20261—0—

What is it indicated for?

The Vital Scientific APTT is an iiz-litro diagnostic reagent intended for use in a nianual method in a clinical laboratory for the perfomiance of Activated Partial Thromboplastin Time (APTT) testing for the detection of coagulation abnormalities in the intrinsic pathway.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K022021: Vital Scientific Aptt, Aptt & Quikcoag Aptt.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K022021

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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