ARCHITECT Intact PTH Controls consists of 3 x 1 Bottle (8.0 mL each) of PTH (synthetic peptide) in Bis Tris Propane buffer with protein (bovine) stabilizer. Preservatives: sodium azide and ProClin 300. Product Usage: The ARCHITECT Intact PTH assay is an in vitro chemiluminescent microparticle immunoassay (CMIA) for the quantitative determination of intact parathyroid hormone (PTH) in human serum and plasma on the ARCHITECT i System.

Reason: Abbott has confirmed that a performance shift in the ARCHITECT Intact PTH assay has the potential to generate falsely elevated results on patient samples. Results generated with impacted lots may demonstrate a positive shift relative to those generated with previous calibrator and/or control lots. The issue may also impact your established ARCHITECT Intact PTH reference ranges. Abbott ARCHITECT In

Code information: List Number: 8K25-10. Lot Numbers and Expiration Dates: Lot 00713I000, Expires 05 SEP 2014; Lot 01813C000, Expires 14 MAR 2014; Lot 01813K000, Expires 12 NOV 2014; Lot 02613E000, Expires 09 MAY 2014; Lot 01412K000, Expires 12 NOV 2013; Lot 00713A000, Expires 08 JAN 2014; Lot 01012F000, Expires 30 MAY 2013.

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