Skip to content
Recall Observatory FDA recall evidence

Exact FDA event identifier

Event 73786

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

Open FDA event record

Event summary

Timeline bucket
March 25, 2016
Product types
Device
Classifications
Class II
Statuses
Terminated
Recalling firm wording
Ab Sciex

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

AB Sciex Triple Quad 4500MD LC/MS/MS System, Part No. 5031257; and QTRAP 4500MD LC/MS/MS System, Part No. 5031231. Mass spectrometers for in vitro diagnostic use only.

Z-1671-2016
Recall number
Z-1671-2016
Initiated
March 25, 2016
Classification
Class II
Status
Terminated
Recalling firm
Ab Sciex
Quantity
2 units

App-derived interpretation

Unknown reason.no_named_rule · v1.0.0
Under certain conditions, mass spectrometers may report incorrect quantitative results.

These labels are deterministic app interpretations, not FDA categories.

Official device-enrichment evidence · Unknown

An exact joined enrichment record exists, but none supplies supported root-cause wording. This is not an FDA finding of an unknown cause.

Compare all device evidence states

Inspect official wording and provenance

Reason for recall

Under certain conditions, mass spectrometers may report incorrect quantitative results.

Code information

Serial Numbers: Triple Quad 4500MD LC/MS/MS System BX21081601 BX21101601 BX21091601 BX21111601 BX21121602 BX21131602 BX21141602 BX21151602 QTRAP 4500MD LC/MS/MS System BW20251601 BW20241601 BW20261602

Distribution pattern

Distributed to the state of NC.