510(k) Report

510(k) · Cleared

Cleared

Acl Top (with System Software V3.0.0)

K073377510(k) TraditionalCleared May 4, 2008153-day reviewClass II21 CFR 864.5400

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

Instrumentation Laboratory CO · GKP Instrument, Coagulation, Automated

Cleared on May 4, 2008 as substantially equivalent to K063679 (Instrumentation Laboratory CO, 2007) after a 153-day review. Its family tree reaches back 3 generations to 2000. 11 later devices descend from it.

Decided
May 4, 2008
Review
153 days
Class
Class II
Product code
GKP
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K002400 (2000). 11 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2015: 1 descendant cleared2016: 1 descendant cleared2009: 2 descendants cleared2017: 1 descendant cleared2023: 3 descendants cleared2024: 1 descendant cleared2019: 1 descendant cleared2018: 1 descendant clearedK002400 · Modification of Acl Advance · Instrumentation Laboratory CO · 2000 · recalledK033414 · Acl Top Model, Top · Instrumentation Laboratory CO · 2004 · recalledK063679 · Acl Top · Instrumentation Laboratory CO · 2007 · recalled200020052010201520202025
  1. Root · 3 generations backK002400 Modification of Acl AdvanceInstrumentation Laboratory CO · 2000 · Recalled
  2. 2 generations backK033414 Acl Top Model, TopInstrumentation Laboratory CO · 2004 · Recalled
  3. 1 generation backK063679 Acl TopInstrumentation Laboratory CO · 2007 · Recalled
  4. This deviceK073377 Acl Top (with System Software V3.0.0)Instrumentation Laboratory CO · 2008
  5. Descendant · cites it directly · 7 of its ownK091980 Acl Top 700 LasInstrumentation Laboratory CO · 2009 · Recalled
  6. Descendant · cites it directly · 3 of its ownK150877 Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top…Instrumentation Laboratory CO · 2015 · Recalled
  7. Descendant · cites it directly · 2 of its ownK160276 Acl Top (Acl Top 700, Acl Top 700 CTS, Acl Top 700 Las, Acl Top 500…Instrumentation Laboratory CO · 2016 · Recalled
  8. Descendant · cites it directly · 2 of its ownK083518 Acl Acustar, Hemosil Acustar D-Dimer, Hemosil Acustar D-Dimer ControlsInstrumentation Laboratory CO · 2009
  9. Descendant · 2 generations on · 0 of its ownK242127 ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750…Instrumentation Laboratory (IL) Co. · 2024

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2009: 22015: 12016: 12017: 12018: 12019: 12023: 32024: 1
2009high 3 (2023) · low 0 (2010)2026

Most influential descendants

Showing 5 of 11 · See all
  • K091980Acl Top 700 LasInstrumentation Laboratory CO · 2009 · cites it directly7descendants
  • K150877Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top 750; Acl Top 750…Instrumentation Laboratory CO · 2015 · cites it directly3descendants
  • K160276Acl Top (Acl Top 700, Acl Top 700 CTS, Acl Top 700 Las, Acl Top 500 CTS, Acl Top 300 CTS)Instrumentation Laboratory CO · 2016 · cites it directly2descendants
  • K083518Acl Acustar, Hemosil Acustar D-Dimer, Hemosil Acustar D-Dimer ControlsInstrumentation Laboratory CO · 2009 · cites it directly2descendants
  • K242127ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750 LAS; ACL TOP 550…Instrumentation Laboratory (IL) Co. · 2024 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K002400Modification of Acl AdvanceInstrumentation Laboratory CO20002
−2K033414Acl Top Model, TopInstrumentation Laboratory CO20041
−1K063679Acl TopInstrumentation Laboratory CO20071
0 (this device)K073377Acl Top (with System Software V3.0.0)Instrumentation Laboratory CO2008—
+1K091980Acl Top 700 LasInstrumentation Laboratory CO200924
+1K150877Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top 750; Acl…Instrumentation Laboratory CO20151
+1K160276Acl Top (Acl Top 700, Acl Top 700 CTS, Acl Top 700 Las, Acl Top 500 CTS, Acl…Instrumentation Laboratory CO20161
+1K083518Acl Acustar, Hemosil Acustar D-Dimer, Hemosil Acustar D-Dimer ControlsInstrumentation Laboratory CO2009—
+2K242127ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750 LAS; ACL…Instrumentation Laboratory (IL) Co.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200920
201510
201610
201710
201810
201910
202330
202410
FIG. 1 — Lineage of K073377, 2000–2024Source: 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 GKP? 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 GKP device

  1. #1 K242127 ACL TOP Family 50 Series (ACL TOP 750; ACL TOP…score 9.4 · 6 generations · no Class I recall
  2. #2 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
*K063679Acl Top
Summary page 1
…ion: Regulation Section: Coagulation Instrument (864.5400) Classification: Class II Product Code: GKP Panel: Hematology Predicate Device: K063679 ACL TOP Device Intended Use / Description: The ACL TOP is a bench top, fully automated, random access analyzer des…
Instrumentation Laboratory CO20071

What descends from it? (11)

See all 11

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K091980Acl Top 700 LasInstrumentation Laboratory CO20097
K150877Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top 750; Acl Top 750…Instrumentation Laboratory CO20153
K160276Acl Top (Acl Top 700, Acl Top 700 CTS, Acl Top 700 Las, Acl Top 500 CTS, Acl Top 300 CTS)Instrumentation Laboratory CO20162
K083518Acl Acustar, Hemosil Acustar D-Dimer, Hemosil Acustar D-Dimer ControlsInstrumentation Laboratory CO20092

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 8 years and passes through 1 company; a new generation was cleared every 3.0 years on median.
  • 3 of the 3 ancestors have a recall of any class.
  • Of its descendants, K091980 (Instrumentation Laboratory CO, 2009) has gone furthest, with 7 descendants of its own.

How does its category compare?

All GKP devices

GKP Instrument, Coagulation, Automated: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · GKP

1in 2024

2007: 12008: 12009: 12015: 12016: 12023: 12024: 1
2007high 1 (2007) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GKP

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

Recalls per year · GKP

1in 2022

2007: 32010: 42022: 1
2007high 4 (2010) · low 0 (2008)2026

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

Adverse event reports per year · GKP

5in 2024

2007: 32008: 52009: 1902010: 742011: 452012: 352013: 422014: 262015: 242016: 132017: 182018: 192019: 382020: 142021: 172022: 42023: 42024: 5
2007high 190 (2009) · low 0 (2025)2025

MAUDE reports naming product code GKP, 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—33
20081—05
20091—0190
20100—474
20110—045
20120—035
20130—042
20140—026
20151—024
20161—013
20170—018
20180—019
20190—038
20200—014
20210—017
20220—14
20231—04
20241—05
20250—00
20260—0—

What is it indicated for?

The ACL TOP is a bench top, fully automated, random access analyzer designed specifically for in vitro diagnostic clinical use in the hemostasis laboratory for coagulation and/or fibrinolysis testing in the assessment of thrombosis and/or hemostasis.

The system provides results for both direct hemostasis measurements and calculated parameters.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K073377: Acl Top (with System Software V3.0.0).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K073377

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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