510(k) Report

510(k) · Cleared

Recalled · Class II · 2014

Immulite Cortisol

K931409510(k) TraditionalCleared May 11, 199353-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

Diagnostic Products Corp. · CGR Radioimmunoassay, Cortisol

Cleared on May 11, 1993 after a 53-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 later devices descend from it. It has been recalled once.

Decided
May 11, 1993
Review
53 days
Class
Class II
Product code
CGR
Recalls
1
Predicates
0

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

Descendants, by year cleared 2021: 2 descendants cleared1990200020102020
  1. This deviceK931409 Immulite CortisolDiagnostic Products Corp. · 1993
  2. Descendant · cites it directly · 0 of its ownK202826 IMMULITE® 2000 CortisolSiemens Healthcare Diagnostics Products, Ltd. · 2021
  3. Descendant · cites it directly · 0 of its ownK203270 IMMULITE/IMMULITE® 1000 CortisolSiemens Healthcare Diagnostics Products, Ltd. · 2021

Most influential descendants

Showing 2 of 2 · See all
  • K202826IMMULITE® 2000 CortisolSiemens Healthcare Diagnostics Products, Ltd. · 2021 · cites it directly0descendants
  • K203270IMMULITE/IMMULITE® 1000 CortisolSiemens Healthcare Diagnostics Products, Ltd. · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K931409Immulite CortisolDiagnostic Products Corp.1993—
+1K202826IMMULITE® 2000 CortisolSiemens Healthcare Diagnostics Products, Ltd.2021—
+1K203270IMMULITE/IMMULITE® 1000 CortisolSiemens Healthcare Diagnostics Products, Ltd.2021—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202120
FIG. 1 — Lineage of K931409, 1993–2021Source: 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? (2)

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

NumberDeviceApplicantDecidedDescendants
K202826IMMULITE® 2000 CortisolSiemens Healthcare Diagnostics Products, Ltd.20210
K203270IMMULITE/IMMULITE® 1000 CortisolSiemens Healthcare Diagnostics Products, Ltd.20210

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

Recalls of this device

DateClassRecallRoot causeReason
Sep 19, 2014Class IIZ-0122-2015Nonconforming Material/ComponentCustomer complaints were received for positive bias reported on the controls used on the IMMULITE /IMMULITE 1000 on the Cortisol Assay reagent lots IMMULITE /IMMULITE 1000 (LKCO1) Lots 381,382 and 383 . Subsequently, the firm confirmed a…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K202826 (Siemens Healthcare Diagnostics Products, Ltd., 2021) has gone furthest, with 0 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. “K931409: Immulite Cortisol.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K931409

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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