510(k) · Cleared
Recalled · 2006Abx Pentra DX 120: Option SPS Evolution
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Horiba Abx · GKZ Counter, Differential Cell
Cleared on Apr 26, 2005 as substantially equivalent to K962633 (Abx, Inc., 1996) and 5 other predicates after a 36-day review. Its family tree reaches back 4 generations to 1991. 1 later device descends from it. It has been recalled once.
- Decided
- Apr 26, 2005
- Review
- 36 days
- Class
- Class II
- Product code
- GKZ
- Recalls
- 1
- Predicates
- 6
Its longest line of descent runs back 4 generations to K912494 (1991). 19 ancestors in all, the oldest K870603 (1987). 1 later device descends from it, 1 citing it directly.
- Root · 4 generations backK912494 Sysmex (TM) R-3000 Automated Reticulocyte AnalyzerToa Medical Electronics USA, Inc. · 1991
- 3 generations backK990311 Vega Retic Automated Hematology AnalyzerAbx Diagnostics · 1999
- 2 generations backK991839 Abx Pentra 120 Retic Automated Hematology AnalyzerAbx Diagnostics · 1999
- 1 generation backK022200 Pentra 120/Pentra 120 Retic Options SPS, Model Pentra 120Abx Diagnostics · 2002 · Recalled
- This deviceK050719 Abx Pentra DX 120: Option SPS EvolutionHoriba Abx · 2005
- Descendant · cites it directly · 0 of its ownK151133 Pentra XLRHoriba Abx Sas · 2015
Most influential descendants
Showing 1 of 1 · See all- K151133Pentra XLRHoriba Abx Sas · 2015 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K912494 | Sysmex (TM) R-3000 Automated Reticulocyte Analyzer | Toa Medical Electronics USA, Inc. | 1991 | — |
| −3 | K990311 | Vega Retic Automated Hematology Analyzer | Abx Diagnostics | 1999 | — |
| −2 | K991839 | Abx Pentra 120 Retic Automated Hematology Analyzer | Abx Diagnostics | 1999 | — |
| −1 | K022200 | Pentra 120/Pentra 120 Retic Options SPS, Model Pentra 120 | Abx Diagnostics | 2002 | 2 |
| 0 (this device) | K050719 | Abx Pentra DX 120: Option SPS Evolution | Horiba Abx | 2005 | — |
| +1 | K151133 | Pentra XLR | Horiba Abx Sas | 2015 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1991 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1999 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 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 GKZ? 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 GKZ device
- #1 K250943 Sysmex XR-Series (XR-10) Automated Hematology…score 13.2 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (7)
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 |
|---|---|---|---|
| * | K962633 | Vega Hematology AnalyzerSummary page 2…Section 6-1 Substantial Equivalence: The ABX PENTRA DX 120 is considered comparable to the predicate device ABX PENTRA, 120 cleared to market under K962633, K99031 1, K991839 and K022200. The fundamental scientific technology for the analyzer itself has not changed. Including, hemato… | 1996 |
| * | K990311 | Vega Retic Automated Hematology AnalyzerSummary page 2…ion 6-1 Substantial Equivalence: The ABX PENTRA DX 120 is considered comparable to the predicate device ABX PENTRA, 120 cleared to market under K962633, K99031 1, K991839 and K022200. The fundamental scientific technology for the analyzer itself has not changed. Including, hematological pa… | 1999 |
| * | K991839 | Abx Pentra 120 Retic Automated Hematology AnalyzerSummary page 2…== Page 2 === Substantial Equivalence: The ABX PENTRA DX 120 is considered comparable to the predicate device ABX PENTRA, 120 cleared to market under K962633, K99031 1, K991839 and K022200. The fundamental scientific technology for the analyzer itself has not changed. Including, hematological parameters… | 1999 |
| * | K022200 | Pentra 120/Pentra 120 Retic Options SPS, Model Pentra 120Summary page 2…= Substantial Equivalence: The ABX PENTRA DX 120 is considered comparable to the predicate device ABX PENTRA, 120 cleared to market under K962633, K99031 1, K991839 and K022200. The fundamental scientific technology for the analyzer itself has not changed. Including, hematological parameters for complete… | 2002 |
| * | K961439 | Abbott Cell-Dyn 4000 SystemSummary page 2…NRBC parameter on the ABX PENTRA DX 120 the following different predicate devices were used during the clinical evaluation of the NRBC parameter: ABBOT[ CD 4000 (K961439) SYSMEX XE-2100 (K992875) Description: The PENTRA DX 120 Automated Hematology Analyzer is a bench-top, clinical labora… | 1996 |
| * | K992875 | Sysmex XE-2100, Automatated Hematology AnalyzerSummary page 2…DX 120 the following different predicate devices were used during the clinical evaluation of the NRBC parameter: ABBOT[ CD 4000 (K961439) SYSMEX XE-2100 (K992875) Description: The PENTRA DX 120 Automated Hematology Analyzer is a bench-top, clinical laboratory instrument which analyzes in… | 1999 |
| * | — | SPS used on the ABX PENTRA 120 Named without a submission number |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K151133 | Pentra XLR | 2015 | 0 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Mar 24, 2006 | Not classified | Z-1334-06 | Other | Labels can be incorrectly placed on a sample tube resulting in a possible error in results attributed to a sample. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 14 years and passes through 3 companies; a new generation was cleared every 3.0 years on median.
- 5 of the 19 ancestors have a recall of any class.
- Of its descendants, K151133 (Horiba Abx Sas, 2015) has gone furthest, with 0 descendants of its own.
- 3 other devices also cite its predicate K962633.
How does its category compare?
All GKZ devicesGKZ Counter, Differential Cell: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GKZ
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GKZ
108in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GKZ
1in 2025
Class I (2 since 2007) Class II/III not classified
Adverse event reports per year · GKZ
77in 2025
MAUDE reports naming product code GKZ, 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 | 6 | 117 | 37 | 268 |
| 2008 | 6 | 99 | 5 | 925 |
| 2009 | 6 | 147 | 13 | 559 |
| 2010 | 4 | 290 | 27 | 896 |
| 2011 | 3 | 315 | 28 | 2,905 |
| 2012 | 3 | 408 | 7 | 2,959 |
| 2013 | 1 | — | 6 | 3,070 |
| 2014 | 3 | 165 | 0 | 3,112 |
| 2015 | 3 | 273 | 3 | 1,972 |
| 2016 | 3 | 198 | 3 | 3,338 |
| 2017 | 4 | 280 | 3 | 229 |
| 2018 | 3 | 270 | 2 (2) | 497 |
| 2019 | 5 | 210 | 2 | 908 |
| 2020 | 1 | — | 1 | 342 |
| 2021 | 0 | — | 0 | 391 |
| 2022 | 3 | 638 | 4 | 198 |
| 2023 | 4 | 329 | 1 | 155 |
| 2024 | 3 | 157 | 0 | 115 |
| 2025 | 4 | 108 | 1 | 77 |
| 2026 | 4 | 254 | 0 | — |
What is it indicated for?
The ABX PENTRA DX 120 Hematology Analyzer is an automated hematology analyzer providing complete blood count (CBC), differential leucocyte count (DIFF) as well as reticulocyte count (RET), and nucleated red blood cell count (NRBC) for the in vitro diagnostic use in clinical laboratories.
The clinical use of the reticulocyte count, specifically the immature reticulocyte fraction (IRF), is to monitor erythropoietic activity in patients.
The option of the SPS Evolution (Slide Preparation System) smears and stains on a clean microscope slide.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K050719 · printed Nov 4, 2026
Cite this page
510(k) Report. “K050719: Abx Pentra DX 120: Option SPS Evolution.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K050719
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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