510(k) Report

510(k) · Cleared

Cleared

Abbott Axsym B12

K051327510(k) TraditionalCleared Aug 3, 200575-day reviewClass II21 CFR 862.1810

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

Abbott Laboratories · CDD Radioassay, Vitamin B12

Cleared on Aug 3, 2005 after a 75-day review. The FDA summary names its predicate without a number.

Decided
Aug 3, 2005
Review
75 days
Class
Class II
Product code
CDD
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K051327Source: FDA 510(k) database · 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 CDD? 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 CDD device

  1. #1 K233541 ARCHITECT Active-B12 (Holotranscobalamin)score 8.7 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
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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
*—Abbott ARCHITECT B12 assay
Named without a submission number
—

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All CDD devices

CDD Radioassay, Vitamin B12: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CDD

1in 2024

2007: 12009: 12010: 12011: 32012: 32013: 12014: 22015: 12016: 22017: 12019: 22022: 12024: 1
2007high 3 (2011) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CDD

147in 2012

2011: 117 days median2012: 147 days median
2007high 147 (2012) · low 117 (2011)2026

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

Recalls per year · CDD

1in 2021

2007: 12018: 22019: 12021: 1
2007high 2 (2018) · low 0 (2008)2026

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

Adverse event reports per year · CDD

44in 2025

2010: 42011: 362012: 232013: 452014: 122015: 42016: 62017: 92018: 152019: 142020: 112021: 282022: 242023: 272024: 332025: 44
2007high 45 (2013) · low 0 (2007)2025

MAUDE reports naming product code CDD, 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—10
20080—00
20091—00
20101—04
20113117036
20123147023
20131—045
20142—012
20151—04
20162—06
20171—09
20180—215
20192—114
20200—011
20210—128
20221—024
20230—027
20241—033
20250—044
20260—0—

What is it indicated for?

The AxSYM B12 reagent is a microparticle enzyme intrinsic factor assay for the quantitative determination of vitamin B12 in human serum or plasma on the AxSYM System. Measurements obtained by this device are used in the diagnosis and treatment of anemias of gastrointestinal malabsorption.

The AxSYM B 12 Specimen Diluent is used for manually diluting specimens for testing using the AxSYM B12 assay.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051327: Abbott Axsym B12.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051327

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026