510(k) Report

510(k) · Cleared

Recalled · 2010

Access Cortisol Assay (Modification)

K954733510(k) TraditionalCleared Dec 5, 199564-day reviewClass II21 CFR 862.1205Recalls 1

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

Bio-Rad Laboratories, Inc. · CGR Radioimmunoassay, Cortisol

Cleared on Dec 5, 1995 after a 64-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 3 later devices descend from it. It has been recalled once.

Decided
Dec 5, 1995
Review
64 days
Class
Class II
Product code
CGR
Recalls
1
Predicates
0

3 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2025: 1 descendant cleared2023: 1 descendant cleared1995200020052010201520202025
  1. This deviceK954733 Access Cortisol Assay (Modification)Bio-Rad Laboratories, Inc. · 1995
  2. Descendant · cites it directly · 2 of its ownK050202 Cortisol and Cortisol Calibrators on the Access Immunoassay SystemsBeckman Coulter, Inc. · 2005 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK242190 Access Cortisol; DxC 500i Clinical AnalyzerBeckman Coulter, Inc. · 2025 · Recalled
  4. Descendant · 2 generations on · 0 of its ownK223038 Access CortisolBeckman Coulter, Inc. · 2023 · Recalled

Most influential descendants

Showing 3 of 3 · See all
  • K050202Cortisol and Cortisol Calibrators on the Access Immunoassay SystemsBeckman Coulter, Inc. · 2005 · cites it directly2descendants
  • K242190Access Cortisol; DxC 500i Clinical AnalyzerBeckman Coulter, Inc. · 2025 · 2 generations on0descendants
  • K223038Access CortisolBeckman Coulter, Inc. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K954733Access Cortisol Assay (Modification)Bio-Rad Laboratories, Inc.1995—
+1K050202Cortisol and Cortisol Calibrators on the Access Immunoassay SystemsBeckman Coulter, Inc.20051
+2K242190Access Cortisol; DxC 500i Clinical AnalyzerBeckman Coulter, Inc.20254
+2K223038Access CortisolBeckman Coulter, Inc.20231

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
202310
202510
FIG. 1 — Lineage of K954733, 1995–2025Source: FDA 510(k) summaries, read by 510(k) Report · 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in CGR? 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 CGR device

  1. #1 K242190 Access Cortisol; DxC 500i Clinical Analyzerscore 7.3 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (3)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K050202Cortisol and Cortisol Calibrators on the Access Immunoassay SystemsBeckman Coulter, Inc.20052

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

Recalls of this device

DateClassRecallRoot causeReason
Feb 17, 2010Not classifiedZ-2621-2010OtherThe recall was initiated by Beckman Coulter after the firm confirmed customer reports that the affected lot of Access Cortisol reagent (REF 33600) identified above may produce suppressed patient results. Beckman Coulter also confirmed…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K050202 (Beckman Coulter, Inc., 2005) has gone furthest, with 2 descendants of its own.

How does its category compare?

All CGR devices

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

FDA decisions per year · CGR

1in 2025

2021: 32023: 12025: 1
2007high 3 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CGR

113in 2021

2021: 113 days median
2007high 113 (2021)2026

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

Recalls per year · CGR

2in 2025

2009: 12010: 12014: 12024: 12025: 2
2007high 2 (2025) · low 0 (2007)2026

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

Adverse event reports per year · CGR

1in 2018

2009: 12010: 12011: 22014: 22018: 1
2007high 2 (2011) · low 0 (2007)2025

MAUDE reports naming product code CGR, 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—11
20100—11
20110—02
20120—00
20130—00
20140—12
20150—00
20160—00
20170—00
20180—01
20190—00
20200—00
2021311300
20220—00
20231—00
20240—10
20251—20
20260—0—
Cite this page

510(k) Report. “K954733: Access Cortisol Assay (Modification).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K954733

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026