510(k) Report

510(k) · Cleared

Recalled · 2006

Abbott Architect B12

K984108510(k) TraditionalCleared Feb 3, 199978-day reviewClass II21 CFR 862.1810Recalls 3

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

Abbott Laboratories · LIG Radioassay, Intrinsic Factor Blocking Antibody

Cleared on Feb 3, 1999 after a 78-day review. The FDA summary names its predicate without a number. 1 later device descends from it. It has been recalled 3 times.

Decided
Feb 3, 1999
Review
78 days
Class
Class II
Product code
LIG
Recalls
3
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared1995200020052010201520202025
  1. This deviceK984108 Abbott Architect B12Abbott Laboratories · 1999
  2. Descendant · cites it directly · 0 of its ownK053330 Architect B12 CalibratorsAbbott Laboratories · 2005

Most influential descendants

Showing 1 of 1 · See all
  • K053330Architect B12 CalibratorsAbbott Laboratories · 2005 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K984108Abbott Architect B12Abbott Laboratories1999—
+1K053330Architect B12 CalibratorsAbbott Laboratories2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
FIG. 1 — Lineage of K984108, 1999–2005Source: 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 LIG? 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 LIG device

  1. #1 K240800 Access Intrinsic Factor Abscore 7.6 · 2 generations · 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.

TypeNumberDeviceApplicantDecidedRecalls
*—AXSYM® B12 Assay
Named without a submission number
—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K053330Architect B12 CalibratorsAbbott Laboratories20050

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

Recalls of this device

DateClassRecallRoot causeReason
Mar 8, 2006Not classifiedZ-0860-06OtherThe 30-day onboard storage information is not included in the barcode labels for these two lots. As a result, the ARCHITECT system software is unable to track how long a reagent kit has been stored onboard the ARCHITECT instrument.
Aug 19, 2004Not classifiedZ-1452-04OtherChanges in the ARCHITECT B12 Reagent lots may adversely affect the shape of the calibration curve, over time. These changes may produce controls out of range low and similar decreases in patient sample values prior to current expiration…
Dec 14, 2001Not classifiedZ-0435-05OtherFalsely elevated B-hCG results can occur when running B12 and B-hCG assays on the same analyzer due to carryover. B-12 results are not impacted.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K053330 (Abbott Laboratories, 2005) has gone furthest, with 0 descendants of its own.

How does its category compare?

All LIG devices

LIG Radioassay, Intrinsic Factor Blocking Antibody: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LIG

1in 2024

2007: 12024: 1
2007high 1 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LIG

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

Recalls per year · LIG

1in 2009

2009: 1
2007high 1 (2009) · low 0 (2007)2026

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

Adverse event reports per year · LIG

1in 2019

2018: 12019: 1
2007high 1 (2018) · low 0 (2007)2025

MAUDE reports naming product code LIG, 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
20080—00
20090—10
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—01
20190—01
20200—00
20210—00
20220—00
20230—00
20241—00
20250—00
20260—0—

What is it indicated for?

The Abbott ARCHITECT™ B12 assay is a Chemiluminescent Microparticle Intrinsic Factor assay for the quantitative determination of B12 in human serum and plasma on the Abbott ARCHITECT™ i System. Measurements obtained by this device are used in the diagnosis and treatment of anemias of gastrointestinal malabsorption.

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. “K984108: Abbott Architect B12.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K984108

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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