510(k) Report

510(k) · Cleared

Recalled · Class II · 2023

Acs Cortisol Immunoassay

K962559510(k) TraditionalCleared Nov 5, 1996127-day reviewClass II21 CFR 862.1205Recalls 2

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

Ciba Corning Diagnostics Corp. · JFT Fluorometric, Cortisol

Cleared on Nov 5, 1996 after a 127-day review. The FDA summary names its predicate without a number. 3 later devices descend from it. It has been recalled 2 times.

Decided
Nov 5, 1996
Review
127 days
Class
Class II
Product code
JFT
Recalls
2
Predicates
0

3 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2002: 1 descendant cleared2015: 1 descendant cleared2019: 1 descendant cleared1995200020052010201520202025
  1. This deviceK962559 Acs Cortisol ImmunoassayCiba Corning Diagnostics Corp. · 1996
  2. Descendant · cites it directly · 1 of its ownK142723 ADVIA Centaur Cortisol (COR) AssySiemens Healthcare Diagnostics, Inc. · 2015 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK192788 ADVIA Centaur Cortisol (COR)Siemens Healthcare Diagnostics, Inc. · 2019
  4. Descendant · cites it directly · 0 of its ownK021218 Elecsys Cortisol Test SystemRoche Diagnostics Corp. · 2002

Most influential descendants

Showing 3 of 3 · See all
  • K142723ADVIA Centaur Cortisol (COR) AssySiemens Healthcare Diagnostics, Inc. · 2015 · cites it directly1descendant
  • K192788ADVIA Centaur Cortisol (COR)Siemens Healthcare Diagnostics, Inc. · 2019 · 2 generations on0descendants
  • K021218Elecsys Cortisol Test SystemRoche Diagnostics Corp. · 2002 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K962559Acs Cortisol ImmunoassayCiba Corning Diagnostics Corp.1996—
+1K142723ADVIA Centaur Cortisol (COR) AssySiemens Healthcare Diagnostics, Inc.20151
+2K192788ADVIA Centaur Cortisol (COR)Siemens Healthcare Diagnostics, Inc.2019—
+1K021218Elecsys Cortisol Test SystemRoche Diagnostics Corp.2002—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
201510
201910
FIG. 1 — Lineage of K962559, 1996–2019Source: 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 JFT? 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 JFT device

  1. #1 K242505 Elecsys Cortisol IIIscore 10.0 · 2 generations · no Class I recall
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*—Tdx® Cortisol Fluorescence Polarization Immunoassay
Named without a submission number
—
*—COAT-A-COUNT Cortisol Radioimmunoassay
Named without a submission number
—

What descends from it? (3)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K142723ADVIA Centaur Cortisol (COR) AssySiemens Healthcare Diagnostics, Inc.20151
K021218Elecsys Cortisol Test SystemRoche Diagnostics Corp.20020

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

Recalls of this device

DateClassRecallRoot causeReason
Mar 16, 2023Class IIZ-1505-2023Under Investigation by firmThere is a negative bias with urine patient samples and urine cortisol Quality Control (QC) results intermittently out of range low.
Mar 6, 2012Not classifiedZ-1390-2012Component design/selectionCortisol Assay reagent kit lots do not meet onboard stability and calibration interval claims

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K142723 (Siemens Healthcare Diagnostics, Inc., 2015) has gone furthest, with 1 descendant of its own.

How does its category compare?

All JFT devices

JFT Fluorometric, Cortisol: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JFT

1in 2025

2015: 12016: 12019: 12025: 1
2007high 1 (2015) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JFT

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

Recalls per year · JFT

1in 2012

2012: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · JFT

9in 2025

2011: 12012: 162013: 62016: 22017: 42018: 32019: 62020: 42021: 22022: 22023: 92024: 52025: 9
2007high 16 (2012) · low 0 (2007)2025

MAUDE reports naming product code JFT, 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—00
20110—01
20120—116
20130—06
20140—00
20151—00
20161—02
20170—04
20180—03
20191—06
20200—04
20210—02
20220—02
20230—09
20240—05
20251—09
20260—0—

What is it indicated for?

For the quantitative determination of cortisol in serum using the Ciba Corning 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. “K962559: Acs Cortisol Immunoassay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K962559

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