510(k) Report

510(k) · Cleared

Recalled · 2004

Ultegra System Rapid Platelet Function Assay - Asa (Rpfa-Asa)

K012701510(k) TraditionalCleared Jun 12, 2002302-day reviewClass II21 CFR 864.5700Recalls 1

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

Accumetrics, Inc. · JOZ System, Automated Platelet Aggregation

Cleared on Jun 12, 2002 as substantially equivalent to K830749 (Chrono-Log Corp., 1983) after a 302-day review. Its family tree reaches back 1 generation to 1983. It has been recalled once.

Decided
Jun 12, 2002
Review
302 days
Class
Class II
Product code
JOZ
Recalls
1
Predicates
1

Its longest line of descent runs back 1 generation to K830749 (1983). No later device cites it as a predicate yet.

K830749 · Platelet Aggregometer · Chrono-Log Corp. · 198319801985199019952000
K830749 · Platelet Aggregometer · Chrono-Log Corp. · 19830
  1. Root · 1 generation backK830749 Platelet AggregometerChrono-Log Corp. · 1983
  2. This deviceK012701 Ultegra System Rapid Platelet Function Assay - Asa (Rpfa-Asa)Accumetrics, Inc. · 2002
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K830749Platelet AggregometerChrono-Log Corp.1983—
0 (this device)K012701Ultegra System Rapid Platelet Function Assay - Asa (Rpfa-Asa)Accumetrics, Inc.2002—
FIG. 1 — Lineage of K012701, 1983–2002Source: 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 JOZ? 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 JOZ device

  1. #1 K191364 T-TAS 01 Total Thrombus-formation Analysis…score -0.6 · 3 generations · no Class I recall
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
*K830749Platelet Aggregometer
Summary page 1
…en found to be substantially equivalent to previously cleared, automated platelet aggregation devices, specifically to CHRONO-LOG Corporation's Whole Blood Aggregometer (K830749). Device Description: The UZkgru System is a turbidimetric based optical detection system which measures platelet induced aggre…
Chrono-Log Corp.1983—

Also cleared against K830749: 8 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
May 10, 2004Not classifiedZ-1018-04OtherTest results too low in control.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has no recall.
  • 8 other devices also cite its predicate K830749.

How does its category compare?

All JOZ devices

JOZ System, Automated Platelet Aggregation: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JOZ

1in 2020

2012: 12013: 12015: 22016: 12017: 12019: 12020: 1
2007high 2 (2015) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JOZ

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

Recalls per year · JOZ

1in 2025

2013: 12024: 12025: 1
2007high 1 (2013) · low 0 (2007)2026

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

Adverse event reports per year · JOZ

3in 2025

2010: 12012: 12013: 12014: 12017: 12018: 252019: 92020: 22021: 22022: 162024: 12025: 3
2007high 25 (2018) · low 0 (2007)2025

MAUDE reports naming product code JOZ, 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—01
20110—00
20121—01
20131—11
20140—01
20152—00
20161—00
20171—01
20180—025
20191—09
20201—02
20210—02
20220—016
20230—00
20240—11
20250—13
20260—0—

What is it indicated for?

The Ultegra® Rapid Platelet Function Assay-ASA (RPFA-ASA) is a whole blood assay used to measure platelet response to aspirin.

The Ultegra Rapid Platelet Function Assay-ASA (RPFA-ASA) is a qualitative test to aid in the detection of platelet dysfunction due to aspirin (ASA) ingestion in citrated whole blood for the point of care or laboratory setting.

Not for use in patients with underlying congenital platelet abnormalities, patients with non-ASA induced acquired platelet abnormalities or in patients receiving non-ASA anti-platelet agents (may be used in patients treated with selective COX-2 inhibitors, e.g., celecoxib (Celebrex®) and rofecoxib (Vioxx®)).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K012701: Ultegra System Rapid Platelet Function Assay - Asa (Rpfa-Asa).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K012701

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 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026