510(k) Report

510(k) · Cleared

Cleared

Pentra XLR

K151133510(k) TraditionalCleared Dec 9, 2015225-day reviewClass II21 CFR 864.5220

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

Horiba Abx Sas · GKZ Counter, Differential Cell

Cleared on Dec 9, 2015 as substantially equivalent to K024002 (Abx Diagnostics, 2003) and 3 other predicates after a 225-day review. Its family tree reaches back 5 generations to 1991.

Decided
Dec 9, 2015
Review
225 days
Class
Class II
Product code
GKZ
Recalls
None
Predicates
4

Its longest line of descent runs back 5 generations to K912494 (1991). 22 ancestors in all, the oldest K870603 (1987). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2003: 1 other ancestor2000: 1 other ancestor1999: 1 other ancestor1997: 2 other ancestors1996: 4 other ancestors1995: 2 other ancestors1987: 2 other ancestors1994: 1 other ancestor1993: 1 other ancestor1991: 1 other ancestor1988: 1 other ancestorK912494 · Sysmex (TM) R-3000 Automated Reticulocyte Analyzer · Toa Medical Electronics USA, Inc. · 1991K990311 · Vega Retic Automated Hematology Analyzer · Abx Diagnostics · 1999K991839 · Abx Pentra 120 Retic Automated Hematology Analyzer · Abx Diagnostics · 1999K022200 · Pentra 120/Pentra 120 Retic Options SPS, Model Pentra 120 · Abx Diagnostics · 2002 · recalledK050719 · Abx Pentra DX 120: Option SPS Evolution · Horiba Abx · 2005 · recalled1985199019952000200520102015
  1. Root · 5 generations backK912494 Sysmex (TM) R-3000 Automated Reticulocyte AnalyzerToa Medical Electronics USA, Inc. · 1991
  2. 4 generations backK990311 Vega Retic Automated Hematology AnalyzerAbx Diagnostics · 1999
  3. 3 generations backK991839 Abx Pentra 120 Retic Automated Hematology AnalyzerAbx Diagnostics · 1999
  4. 2 generations backK022200 Pentra 120/Pentra 120 Retic Options SPS, Model Pentra 120Abx Diagnostics · 2002 · Recalled
  5. 1 generation backK050719 Abx Pentra DX 120: Option SPS EvolutionHoriba Abx · 2005 · Recalled
  6. This deviceK151133 Pentra XLRHoriba Abx Sas · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K912494Sysmex (TM) R-3000 Automated Reticulocyte AnalyzerToa Medical Electronics USA, Inc.1991—
−4K990311Vega Retic Automated Hematology AnalyzerAbx Diagnostics1999—
−3K991839Abx Pentra 120 Retic Automated Hematology AnalyzerAbx Diagnostics1999—
−2K022200Pentra 120/Pentra 120 Retic Options SPS, Model Pentra 120Abx Diagnostics20022
−1K050719Abx Pentra DX 120: Option SPS EvolutionHoriba Abx20051
0 (this device)K151133Pentra XLRHoriba Abx Sas2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198720
198810
199110
199310
199410
199520
199640
199720
199910
200010
200310
FIG. 1 — Lineage of K151133, 1991–2015Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 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. #1 K250943 Sysmex XR-Series (XR-10) Automated Hematology…score 13.2 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (4)

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
*K024002Pentra 80
Summary page 4
…duct Code: GKZ Class: II 4.0 System description : 4.1 Device Description The PENTRA XLR is a device modification to the ABX PENTRA 80 (k024002), which consists in the addition of the measurement of Reticulocytes (RET) parameters to the existing Complete Blood Count (CBC)…
Abx Diagnostics20032
*K050719Abx Pentra DX 120: Option SPS Evolution
Summary page 10
…510(k) numbers PENTRA XLR ABX PENTRA DX 120 HORIBA ABX SAS K050719 K991839…
Horiba Abx20051
*K991839Abx Pentra 120 Retic Automated Hematology Analyzer
Summary page 10
…numbers PENTRA XLR ABX PENTRA DX 120 HORIBA ABX SAS K050719 K991839 K990311 7.2 Comparison with predicate Device…
Abx Diagnostics1999—
*K990311Vega Retic Automated Hematology Analyzer
Summary page 10
…K050719 K991839 K990311 7.2 Comparison with predicate Device : Similarities Item ABX PENTRA DX 120 (K991839)…
Abx Diagnostics1999—

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?

  • The line of descent spans 24 years and passes through 4 companies; a new generation was cleared every 3.0 years on median.
  • 8 of the 22 ancestors have a recall of any class.

How does its category compare?

All GKZ devices

GKZ Counter, Differential Cell: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · GKZ

4in 2025

2007: 62008: 62009: 62010: 42011: 32012: 32013: 12014: 32015: 32016: 32017: 42018: 32019: 52020: 12022: 32023: 42024: 32025: 42026 (partial year): 4
2007high 6 (2007) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GKZ

108in 2025

2007: 117 days median2008: 99 days median2009: 147 days median2010: 290 days median2011: 315 days median2012: 408 days median2014: 165 days median2015: 273 days median2016: 198 days median2017: 280 days median2018: 270 days median2019: 210 days median2022: 638 days median2023: 329 days median2024: 157 days median2025: 108 days median2026 (partial year): 254 days median
2007high 638 (2022) · low 99 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · GKZ

1in 2025

2007: 372008: 52009: 132010: 272011: 282012: 72013: 62015: 32016: 32017: 32018: 2, 2 Class I2019: 22020: 12022: 42023: 12025: 1
2007high 37 (2007) · low 0 (2014)2026

Class I (2 since 2007) Class II/III not classified

Adverse event reports per year · GKZ

77in 2025

2007: 2682008: 9252009: 5592010: 8962011: 2,9052012: 2,9592013: 3,0702014: 3,1122015: 1,9722016: 3,3382017: 2292018: 4972019: 9082020: 3422021: 3912022: 1982023: 1552024: 1152025: 77
2007high 3,338 (2016) · low 77 (2025)2025

MAUDE reports naming product code GKZ, 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
2007611737268
20086995925
2009614713559
2010429027896
20113315282,905
2012340872,959
20131—63,070
2014316503,112
2015327331,972
2016319833,338
201742803229
201832702 (2)497
201952102908
20201—1342
20210—0391
202236384198
202343291155
202431570115
20254108177
202642540—

What is it indicated for?

The PENTRA XLR is a quantitative multi-parameter automated hematology analyzer for in vitro diagnostic use in clinical laboratories to identify and enumerate the following parameters: WBC, RBC, HGB, HCT, MCV, MCH, MCHC, RDW, PLT, MPV, LYM (#, %), MON (#, %), NEU (#, %), EOS (#, %), BAS (#, %), as well as the Reticulocyte parameters RET (#, %), CRC, and IRF in K2EDTA and K3EDTA anticoagulated venous whole blood samples from patients ≥ 18 years of age.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K151133: Pentra XLR.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K151133

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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