510(k) Report

510(k) · Cleared

Cleared

Prospect Entamoeba Histolytica Microplate Assay

K933997510(k) TraditionalCleared Nov 22, 199397-day reviewClass II21 CFR 866.3165

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

Alexon Biomedical, Inc. · GMD Antisera, Latex Agglutination, Cryptococcus Neoformans

Cleared on Nov 22, 1993 after a 97-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

Decided
Nov 22, 1993
Review
97 days
Class
Class II
Product code
GMD
Recalls
None
Predicates
0

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

FIG. 1 — Lineage of K933997Source: 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.

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, 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 GMD devices

GMD Antisera, Latex Agglutination, Cryptococcus Neoformans: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GMD

1in 2012

2011: 12012: 1
2007high 1 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GMD

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

Recalls per year · GMD

1in 2022

2022: 1
2007high 1 (2022) · low 0 (2007)2026

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

Adverse event reports per year · GMD

1in 2017

2008: 12017: 1
2007high 1 (2008) · low 0 (2007)2025

MAUDE reports naming product code GMD, 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—01
20090—00
20100—00
20111—00
20121—00
20130—00
20140—00
20150—00
20160—00
20170—01
20180—00
20190—00
20200—00
20210—00
20220—10
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K933997: Prospect Entamoeba Histolytica Microplate Assay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K933997

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