FDA Medical Device Recalls (openFDA)
Lin-Zhi International Inc: Multi-Analyte Urine DAU Calibrator (15 mL HDPE bottle inside a cardboard box) For in vitro diagnostic use only. Lin-Zhi International, Inc.. 670 Almanor Ave. Sunnyvale, CA 94085 intended use: Drug abuse detection.
- Recall number
- Z-0868-2012
- Recalling firm
- Lin-Zhi International Inc
- Product
- Multi-Analyte Urine DAU Calibrator (15 mL HDPE bottle inside a cardboard box) For in vitro diagnostic use only. Lin-Zhi International, Inc.. 670 Almanor Ave. Sunnyvale, CA 94085 intended use: Drug abuse detection.
- Status
- Terminated
- Initiated
- 2011-08-23
- Posted
- 2012-01-25
- Terminated
- 2012-01-25
- Reason
- Multi Analyte Urine DAU Cutoff Calibrator Gives a decreased absorbance reading due to a loss of the BZO (oxazepam) analyte from the solution and may cause false positive readings.
- Root cause
- Nonconforming Material/Component
- Action
- The firm, Lin-Zhi International, Inc., sent a notice by email dated August 23, 2011 to all customers. The notice described the product, problem and actions to be taken. Lin-Zhi will contact the customers to determine whether they want replacement BZO calibrators and controls immediately or if they are willing to wait a minimum of four weeks for a new lot of the Multi-Analyte Urine Cutoff Calibrators. The customers were instructed to contact Lin-Zhi with their replacement request. The notice also stated that the Lin-Zhi has plans to create more stringent QC standards and further R&D regarding stabilization of this analyte in solution in its calibrators of controls containing BZO. If you have any questions or concerns regarding how this situation is being handled or the outcome, contact Lin-Zhi at (408)732-3856; email: customerservice@lin-zih.com or webpage: www.lin-zhi.com.
- Quantity
- 45 items
- Distribution
- Worldwide distribution: USA (nationwide) including states of: AL, FL, GA, IN, NC, NH, and TX; and country of: Germany.
- Lot, serial or model codes
- Catalog number 0803; Lot 1101136K3, exp 1/28/13
- 510(k) numbers
- ["K051088"]
- PMA numbers
- not on file
- Product code
- DKB
- Firm FEI
- 3003610499
- Firm city
- Sunnyvale
- Firm state
- CA
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28