510(k) Report

510(k) · Cleared

Cleared

NA Alpha 1 Microglobulin Kit

K904254510(k) TraditionalCleared Apr 5, 1991203-day reviewClass II21 CFR 866.5630

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

Behring Diagnostics, Inc. · JZG System, Test, Beta-2-Microglobulin Immunological

Cleared on Apr 5, 1991 after a 203-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Apr 5, 1991
Review
203 days
Class
Class II
Product code
JZG
Recalls
None
Predicates
0

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

FIG. 1 — Lineage of K904254Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in JZG? 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?

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

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 JZG devices

JZG System, Test, Beta-2-Microglobulin Immunological: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JZG

1in 2016

2007: 22009: 22012: 22016: 1
2007high 2 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JZG

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

Recalls per year · JZG

1in 2024

2015: 12021: 12024: 1
2007high 1 (2015) · low 0 (2007)2026

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

Adverse event reports per year · JZG

1in 2024

2015: 502019: 12024: 1
2007high 50 (2015) · low 0 (2007)2025

MAUDE reports naming product code JZG, 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
20072—00
20080—00
20092—00
20100—00
20110—00
20122—00
20130—00
20140—00
20150—150
20161—00
20170—00
20180—00
20190—01
20200—00
20210—10
20220—00
20230—00
20240—11
20250—00
20260—0—
Cite this page

510(k) Report. “K904254: NA Alpha 1 Microglobulin Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K904254

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