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Recall Observatory FDA recall evidence

Exact FDA event identifier

Event 63694

1 recalled-product record grouped only because every row carries this exact official event ID.

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Event summary

Timeline bucket
November 14, 2012
Product types
Device
Classifications
Class II
Statuses
Terminated
Recalling firm wording
Leica Microsystems, Inc.

Dossier provenance

Source snapshots represented here

  • openFDA Device Enforcement Report-date coverage June 20, 2012–July 08, 2026 Known gap: openFDA describes 2004-present coverage, but the current export has no report-date records in this interval.
  • openFDA Device Recall event_date_initiated coverage June 01, 1997–June 30, 2026

Enforcement coverage uses report dates; product initiation dates can precede those bounds. Device-enrichment coverage uses FDA event_date_initiated.

How coverage and grouping work

Complete imported group

Every recalled product in this event

1 official enforcement rows

Product dates, classifications, firms, and source wording remain attached to their individual rows. Opening this dossier never hides products that did not match a prior timeline filter.

device · product 1 of 1

Novocastra Ready-to-Use Mouse Monoclonal Antibody Terminal Deoxynuceotidyl Transferase Staining Reagent; an in vitro staining reagent for the qualitative identification by light microscopy of Terminal Deoxynucleotidyl Transferase molecules in paraffin sections; Catalog No. RTU-TdT-339; packaged in 7 mL vials; Leica Biosystems Newcastle Ltd., Balliol Business Park West, Benton Lane, Newcastle Upon Tyne NE12 8EW, United Kingdom. RTU-TdT-339 is intended for the qualitative identification by light microscopy of Terminal Deoxynucleotidyl Transferase molecules in paraffin sections. The clinical interpretation of any staining or its absence should be complemented by morphological studies using proper controls and should be evaluated within the context of the patient's clinical history and other diagnostic tests by a qualified pathologist.

Z-0521-2013
Recall number
Z-0521-2013
Initiated
November 14, 2012
Classification
Class II
Status
Terminated
Recalling firm
Leica Microsystems, Inc.
Quantity
322 vials

App-derived interpretation

Unknown reason.no_named_rule · v1.0.0
RTU-TdT-339 is not stable up to the expiry date on the product labeling, affecting the staining intensity.

These labels are deterministic app interpretations, not FDA categories.

Official device-enrichment evidence · Sourced

Nonconforming Material/Component

Compare all device evidence states

Inspect official wording and provenance

Reason for recall

RTU-TdT-339 is not stable up to the expiry date on the product labeling, affecting the staining intensity.

Code information

Catalog No. RTU-TdT-339, lot numbers 6001845, expiry 2012-11 and 6009645, expiry 2014-04 The recall also included the folowing expired lots: 804804, 804805, 804806, 804809, 804810, 804812

Distribution pattern

Worldwide Distribution -- USA including Arkansas, California, Florida, Illinois, Maryland, Michigan, Minnesota, Missouri, North Carolina, Oregon, Rhode Island, Tennessee, Texas and Wisconsin, and the country of Canada.