510(k) · Cleared
Recalled · Class II · 2023Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top 750; Acl Top 750 CTS; Acl Top 750 Las
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Instrumentation Laboratory CO · GKP Instrument, Coagulation, Automated
Cleared on Dec 13, 2015 as substantially equivalent to K073377 (Instrumentation Laboratory CO, 2008) and 1 other predicate after a 256-day review. Its family tree reaches back 5 generations to 2000. 3 later devices descend from it. It has been recalled once.
- Decided
- Dec 13, 2015
- Review
- 256 days
- Class
- Class II
- Product code
- GKP
- Recalls
- 1
- Predicates
- 2
Its longest line of descent runs back 5 generations to K002400 (2000). 3 later devices descend from it, 3 citing it directly.
- Root · 5 generations backK002400 Modification of Acl AdvanceInstrumentation Laboratory CO · 2000 · Recalled
- 4 generations backK033414 Acl Top Model, TopInstrumentation Laboratory CO · 2004 · Recalled
- 3 generations backK063679 Acl TopInstrumentation Laboratory CO · 2007 · Recalled
- 2 generations backK073377 Acl Top (with System Software V3.0.0)Instrumentation Laboratory CO · 2008
- 1 generation backK091980 Acl Top 700 LasInstrumentation Laboratory CO · 2009 · Recalled
- This deviceK150877 Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top…Instrumentation Laboratory CO · 2015
- Descendant · cites it directly · 0 of its ownK242127 ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750…Instrumentation Laboratory (IL) Co. · 2024
- Descendant · cites it directly · 0 of its ownK233790 Acl Top 970 CLInstrumentation Laboratory · 2023
- Descendant · cites it directly · 0 of its ownK231031 ACL TOP Family 70 SeriesInstrumentation Laboratory Company · 2023
Most influential descendants
Showing 3 of 3 · See all- K242127ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750 LAS; ACL TOP 550…Instrumentation Laboratory (IL) Co. · 2024 · cites it directly0descendants
- K233790Acl Top 970 CLInstrumentation Laboratory · 2023 · cites it directly0descendants
- K231031ACL TOP Family 70 SeriesInstrumentation Laboratory Company · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K002400 | Modification of Acl Advance | Instrumentation Laboratory CO | 2000 | 2 |
| −4 | K033414 | Acl Top Model, Top | Instrumentation Laboratory CO | 2004 | 1 |
| −3 | K063679 | Acl Top | Instrumentation Laboratory CO | 2007 | 1 |
| −2 | K073377 | Acl Top (with System Software V3.0.0) | Instrumentation Laboratory CO | 2008 | — |
| −1 | K091980 | Acl Top 700 Las | Instrumentation Laboratory CO | 2009 | 24 |
| 0 (this device) | K150877 | Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top 750; Acl… | Instrumentation Laboratory CO | 2015 | — |
| +1 | K242127 | ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750 LAS; ACL… | Instrumentation Laboratory (IL) Co. | 2024 | — |
| +1 | K233790 | Acl Top 970 CL | Instrumentation Laboratory | 2023 | — |
| +1 | K231031 | ACL TOP Family 70 Series | Instrumentation Laboratory Company | 2023 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
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 K242127 ACL TOP Family 50 Series (ACL TOP 750; ACL TOP…score 9.4 · 6 generations · no Class I recall
- #2 Held for the reportin the report
What was it cleared against? (2)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K073377 | Acl Top (with System Software V3.0.0)Summary page 4…Panel: Hematology (81) Product Code: GKP Predicate Device ACL TOP: K073377; K091980 for LAS model Device Indications for Use / The ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; Intende… | 2008 |
| * | K091980 | Acl Top 700 LasSummary page 4…Panel: Hematology (81) Product Code: GKP Predicate Device ACL TOP: K073377; K091980 for LAS model Device Indications for Use / The ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; Intended Use… | 2009 |
| † | K945271 | Atac 8000 Random Access Chemistry System | 1995 |
What descends from it? (3)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jul 13, 2023 | Class II | Z-2578-2023 | Under Investigation by firm | Sample misidentification could occur under specific conditions and patient management altered based on an incorrectly assigned result |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 15 years and passes through 1 company; a new generation was cleared every 3.0 years on median.
- 4 of the 5 ancestors have a recall of any class.
- Of its descendants, K242127 (Instrumentation Laboratory (IL) Co., 2024) has gone furthest, with 0 descendants of its own.
- 3 other devices also cite its predicate K073377.
How does its category compare?
All GKP devicesGKP Instrument, Coagulation, Automated: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.
FDA decisions per year · GKP
1in 2024
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
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GKP
5in 2024
MAUDE reports naming product code GKP, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 3 | 3 |
| 2008 | 1 | — | 0 | 5 |
| 2009 | 1 | — | 0 | 190 |
| 2010 | 0 | — | 4 | 74 |
| 2011 | 0 | — | 0 | 45 |
| 2012 | 0 | — | 0 | 35 |
| 2013 | 0 | — | 0 | 42 |
| 2014 | 0 | — | 0 | 26 |
| 2015 | 1 | — | 0 | 24 |
| 2016 | 1 | — | 0 | 13 |
| 2017 | 0 | — | 0 | 18 |
| 2018 | 0 | — | 0 | 19 |
| 2019 | 0 | — | 0 | 38 |
| 2020 | 0 | — | 0 | 14 |
| 2021 | 0 | — | 0 | 17 |
| 2022 | 0 | — | 1 | 4 |
| 2023 | 1 | — | 0 | 4 |
| 2024 | 1 | — | 0 | 5 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The ACL TOP Family 50 Series (ACL TOP 750; ACL TOP 750 CTS; ACL TOP 750 LAS; ACL TOP 550 CTS; ACL TOP 350 CTS) are bench top, fully automated, random access analyzers 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 systems provide results for both direct hemostasis measurements and calculated parameters.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K150877 · printed Nov 6, 2026
Cite this page
510(k) Report. “K150877: Acl Top Family 50 Series: Acl Top 350 CTS; Acl Top 550 CTS; Acl Top 750; Acl Top 750 CTS; Acl Top 750 Las.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150877
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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