Class 2 Device Recall ARCHITECT MAGNESIUM

• Date Initiated by Firm: January 02, 2019
• Create Date: March 01, 2019
• Recall Status: Terminated on June 30, 2021
• Recall Number: Z-0971-2019
• Recall Event ID: 81929
• 510(K)Number: K981791
• Product Classification: Photometric method, magnesium - Product Code JGJ
• Product: ARCHITECT MAGNESIUM, (a) REF 7D70-21, (b) 7D70-31 The Magnesium assay is used for the quantitation of magnesium in human serum, plasma, or urine.
• Code Information: (a) 7D70 21 Lot Number UDI Number 36338UN17 (01)00380740012922(17)190106(10)36338UN17 79865UN17 (01)00380740012922(17)190309(10)79865UN17 12921UN17 (01)00380740012922(17)190503(10)12921UN17 43618UN17 (01)00380740012922(17)190609(10)43618UN17 45337UN17 (01)00380740012922(17)190714(10)45337UN17 84994UN17 (01)00380740012922(17)191012(10)84994UN17 24856UN17 (01)00380740012922(17)191113(10)24856UN17 41652UN18 (01)00380740012922(17)200120(10)41652UN18 99639UN18 (01)00380740012922(17)200226(10)99639UN18 99661UN18 (01)00380740012922(17)200413(10)99661UN18 78493UN18 (01)00380740012922(17)200725(10)78493UN18 95220UN18 (01)00380740012922(17)200907(10)95220UN18 31428UN18 (01)00380740012922(17)201031(10)31428UN18 33784UN18 (01)00380740012922(17)200611(10)33784UN18 (b) 7D70-31 36339UN17 (01)00380740012939(17)190106(10)36339UN17 97389UN17 (01)00380740012939(17)190309(10)97389UN17 12922UN17 (01)00380740012939(17)190503(10)12922UN17 43616UN17 (01)00380740012939(17)190609(10)43616UN17 45338UN17 (01)00380740012939(17)190714(10)45338UN17 84993UN17 (01)00380740012939(17)190901(10)84993UN17 08788UN17 (01)00380740012939(17)191012(10)08788UN17 24857UN17 (01)00380740012939(17)191113(10)24857UN17 41651UN18 (01)00380740012939(17)200129(10)41651UN18 99640UN18 (01)00380740012939(17)200226(10)99640UN18 99662UN18 (01)00380740012939(17)200413(10)99662UN18 33783UN18 (01)00380740012939(17)200509(10)33783UN18 33785UN18 (01)00380740012939(17)200611(10)33785UN18 78859UN18 (01)00380740012939(17)200725(10)78859UN18 95341UN18 (01)00380740012939(17)200907(10)95341UN18 31429UN18 (01)00380740012939(17)201031(10)31429UN18
• FEI Number: 1628664
• Recalling Firm/ Manufacturer: Abbott Laboratories, Inc; 1921 Hurd Dr; Irving TX 75038-4313
• Manufacturer Reason for Recall: Abbott internal testing has identified that the Magnesium urine application demonstrates depressed urine result recovery. All samples >0.5mEq/L fail the linearity acceptance criteria for the bias specification and demonstrate depressed recovery of up to 37%. The specific cause of the negative bias/depressed results is currently under investigation.
• FDA Determined Cause: Under Investigation by firm
• Action: The firm, Abbott, initiated the recall by letter on 01/02/2018 titled '"Product Correction Urgent-Immediate Action Required" by its customers. The letter explained the issue, described the product and actions to be taken. The customers were instructed to do the following: -Immediately discontinue use of the ARCHITECT Magnesium (LN 7D70) urine application. - You may continue to use the serum/plasma application for the ARCHITECT Magnesium (LN 7D70). -Please review this letter with your Medical Director or Laboratory Management and follow your laboratory protocol regarding the need for reviewing previously reported patient results. -Complete and return the Customer Reply Form prior to January 17, 2019 via FAX #: 18007770051 or email QAGCO@abbott.com. Even if you no longer have the instrument(s),. -If you have forwarded the product listed above to other laboratories, please inform them of this Product Correction and provide to them a copy of this letter. -As an alternative to the current urine application, you may use Abbott ARCHITECT (enzymatic) Magnesium LN 3P68, urine application, where available. If you or any of the health care providers you serve have any questions regarding this information, U.S. Customers please contact Customer Service at 18774ABBOTT (available 24 hours a day, 7 days a week). Customers outside the U.S., please contact your local area Customer Service.
• Quantity in Commerce: 24,995 units
• Distribution: Worldwide Distribution: US (nationwide) and to countries of: CHINA, THAILAND, GUATEMALA, and EL SALVADOR.
• Total Product Life Cycle: TPLC Device Report

¹ A record in this database is created when a firm initiates a correction or removal action. The record is updated if the FDA identifies a violation and classifies the action as a recall, and it is updated for a final time when the recall is terminated. Learn more about medical device recalls.
² Per FDA policy, recall cause determinations are subject to modification up to the point of termination of the recall.
³ For details about termination of a recall see Code of Federal Regulations (CFR) Title 21 §7.55.

• 510(K) Database: 510(K)s with Product Code = JGJ