510(k) Report

510(k) · Cleared

Cleared

Acs:Centaur PSA2 Immunoassay

K981839510(k) TraditionalCleared Aug 12, 199878-day reviewClass II21 CFR 866.6010

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

Chiron Diagnostics Corp. · LTJ Prostate-Specific Antigen (Psa) For Management Of Prostate Cancers

Cleared on Aug 12, 1998 after a 78-day review. The summary cites one number, which could not be confirmed as its predicate (see the table below).

Decided
Aug 12, 1998
Review
78 days
Class
Class II
Product code
LTJ
Recalls
None
Predicates
1

The summary cites one number, which could not be confirmed as its predicate (see the table below).

FIG. 1 — Lineage of K981839Source: FDA 510(k) database · 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 LTJ? 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 LTJ device

  1. #1 K251630 Atellica IM Total PSA II (tPSAII)score 10.6 · 1 generation · no Class I recall
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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; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.

TypeNumberDeviceApplicantDecidedRecalls
Kept off the family treeK920030FDA’s K920030 is Sureseal Endoscopic Valve
The summary prints P920030, a PMA number, which our reading took as K920030, FDA’s number for Sureseal Endoscopic Valve (Applied Urology, Inc.). Its FDA name has none of the distinctive words the summary uses for the device it names, “ACS:180 PSA2 Immunoassay”. Kept off the family tree.
Summary page 1
…ag.com May 18, 1998 ACS:Centaur PSA2 Immunoassay PSA Immunoassay Reclassified to Class I, classification number unknown ACS:180 PSA2 Immunoassay Chiron Diagnostics P920030 & P020030/S1 (note reclassified to class Prostate-specific antigen (PSA) is a single-chain glycoprotein normally found in the cy…
Applied Urology, Inc.1992—

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.

How does its category compare?

All LTJ devices

LTJ Prostate-Specific Antigen (Psa) For Management Of Prostate Cancers: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LTJ

3in 2025

2013: 12016: 22017: 102018: 72019: 22020: 12021: 22023: 22024: 32025: 32026 (partial year): 3
2007high 10 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LTJ

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

Recalls per year · LTJ

1in 2025

2008: 32010: 22013: 12025: 1
2007high 3 (2008) · low 0 (2007)2026

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

Adverse event reports per year · LTJ

14in 2025

2007: 172008: 572009: 582010: 342011: 1092012: 1012013: 692014: 192015: 142016: 82017: 132018: 82019: 112020: 42021: 82022: 112023: 172024: 82025: 14
2007high 109 (2011) · low 4 (2020)2025

MAUDE reports naming product code LTJ, 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—017
20080—357
20090—058
20100—234
20110—0109
20120—0101
20131—169
20140—019
20150—014
20162—08
201710—013
20187—08
20192—011
20201—04
20212—08
20220—011
20232—017
20243—08
20253—114
20263—0—

What is it indicated for?

The Chiron Diagnostics ACS:Centaur PSA2 Immunoassay is for the quantitative determination of prostate specific antigen in serum to aid in the management of cancer patients in whom changing concentrations of PSA are observed using the Chiron Diagnostics ACS:Centaur Automated Chemiluminescence Systems.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K981839: Acs:Centaur PSA2 Immunoassay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K981839

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026