510(k) Report

510(k) · Cleared

Cleared

Autodelfia Neonatal 17A-OH-Progesterone Kit

K042425510(k) SpecialCleared Sep 30, 200422-day reviewClass I21 CFR 862.1395

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

Wallac OY · JLX Radioimmunoassay, 17-Hydroxyprogesterone

Cleared on Sep 30, 2004 as substantially equivalent to K912026 (Pharmacia Diagnostics, Inc., 1991) and 1 other predicate after a 22-day review. Its family tree reaches back 1 generation to 1991. 4 later devices descend from it.

Decided
Sep 30, 2004
Review
22 days
Class
Class I
Product code
JLX
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K912026 (1991). 2 ancestors in all. 4 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1994: 1 other ancestor2005: 1 descendant cleared2007: 1 descendant cleared2009: 1 descendant cleared2010: 1 descendant clearedK912026 · Delfia (R) 17 -OH-Progesteron Kit · Pharmacia Diagnostics, Inc. · 19911990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 1 descendant K912026 · Delfia (R) 17 -OH-Progesteron Kit · Pharmacia Diagnostics, Inc. · 19910
  1. Root · 1 generation backK912026 Delfia (R) 17 -OH-Progesteron KitPharmacia Diagnostics, Inc. · 1991
  2. This deviceK042425 Autodelfia Neonatal 17A-OH-Progesterone KitWallac OY · 2004
  3. Descendant · cites it directly · 1 of its ownK081922 Autodelfia Neonatal 17A-OH-Progesterone KitWallac OY · 2009
  4. Descendant · 2 generations on · 0 of its ownK100682 GSP Neonatal 17A-OH-Progesterone Kit Model: 3305-001UWallac OY · 2010
  5. Descendant · cites it directly · 0 of its ownK060452 Accuwell 17-Alpha-Hydroxyproesterone Enzyme Immunoassay with Models…Neo-Genesis · 2007
  6. Descendant · cites it directly · 0 of its ownK050960 Modification to: Autodelfia Neonatal 17A-OH-Progesterone L KitWallac OY · 2005

Most influential descendants

Showing 4 of 4 · See all
  • K081922Autodelfia Neonatal 17A-OH-Progesterone KitWallac OY · 2009 · cites it directly1descendant
  • K100682GSP Neonatal 17A-OH-Progesterone Kit Model: 3305-001UWallac OY · 2010 · 2 generations on0descendants
  • K060452Accuwell 17-Alpha-Hydroxyproesterone Enzyme Immunoassay with Models 6015XX-EcahNeo-Genesis · 2007 · cites it directly0descendants
  • K050960Modification to: Autodelfia Neonatal 17A-OH-Progesterone L KitWallac OY · 2005 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K912026Delfia (R) 17 -OH-Progesteron KitPharmacia Diagnostics, Inc.1991—
0 (this device)K042425Autodelfia Neonatal 17A-OH-Progesterone KitWallac OY2004—
+1K081922Autodelfia Neonatal 17A-OH-Progesterone KitWallac OY2009—
+2K100682GSP Neonatal 17A-OH-Progesterone Kit Model: 3305-001UWallac OY2010—
+1K060452Accuwell 17-Alpha-Hydroxyproesterone Enzyme Immunoassay with Models 6015XX-EcahNeo-Genesis2007—
+1K050960Modification to: Autodelfia Neonatal 17A-OH-Progesterone L KitWallac OY2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200710
200910
201010
FIG. 1 — Lineage of K042425, 1991–2010Source: 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), 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 JLX? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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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
*K912026Delfia (R) 17 -OH-Progesteron Kit
Summary page 1
…lass I per 21 CFR § 862.1395 Product Code: JLX Predicate Device: DELFIA® / AutoDELFIA® Neonatal 17 a-OH-progesterone kit, K912026/ K935047 Device Description: The AutoDELF…
Pharmacia Diagnostics, Inc.1991—
*K935047Auto Delfia
Summary page 1
…JLX Predicate Device: DELFIA® / AutoDELFIA® Neonatal 17 a-OH-progesterone kit, K912026/ K935047 Device Description: The AutoDELFIA Neonatal 17cz-OH-progesterone (17-OHP) assay i…
Wallac OY19943

Also cleared against K912026: 1 other device →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K081922Autodelfia Neonatal 17A-OH-Progesterone KitWallac OY20091
K060452Accuwell 17-Alpha-Hydroxyproesterone Enzyme Immunoassay with Models 6015XX-EcahNeo-Genesis20070
K050960Modification to: Autodelfia Neonatal 17A-OH-Progesterone L KitWallac OY20050

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.

What does this lineage say?

  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K081922 (Wallac OY, 2009) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K912026.

How does its category compare?

All JLX devices

JLX Radioimmunoassay, 17-Hydroxyprogesterone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JLX

1in 2010

2007: 12008: 12009: 12010: 1
2007high 1 (2007) · low 0 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JLX

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

Recalls per year · JLX

1in 2024

2024: 1
2007high 1 (2024) · low 0 (2007)2026

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

Adverse event reports per year · JLX

1in 2021

2008: 12009: 12014: 12015: 22021: 1
2007high 2 (2015) · low 0 (2007)2025

MAUDE reports naming product code JLX, 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
20071—00
20081—01
20091—01
20101—00
20110—00
20120—00
20130—00
20140—01
20150—02
20160—00
20170—00
20180—00
20190—00
20200—00
20210—01
20220—00
20230—00
20240—10
20250—00
20260—0—

What is it indicated for?

This kit is intended for the quantitative determination of 17 a- OH-progesterone in blood specimens dried on filter paper as an aid in screening newborns for congenital adrenal hyperplasia (CAH) using the 1235 AutoDELFIA automatic immunoassay system.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K042425: Autodelfia Neonatal 17A-OH-Progesterone Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K042425

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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