Tosoh Bioscience Inc Tosoh Bioscience AIA- PACK HCG Calibrator Set-In Vitro Diagnostic for BHCG Part number 020361 The AIA-Pack BHCG Calibrator Set is intended for IN VITRO DIAGNOSTIC USE ONLY for the calibration of the ST AIA-PACK BHCG assay Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Tosoh Bioscience AIA- PACK HCG Calibrator Set-In Vitro Diagnostic for BHCG Part number 020361 The AIA-Pack BHCG Calibrator Set is intended for IN VITRO DIAGNOSTIC USE ONLY for the calibration of the ST AIA-PACK BHCG assay
Brand
Tosoh Bioscience Inc
Lot Codes / Batch Numbers
Lot Numbers: J833531, JX33532, JZ33533, A233534, A433535
Products Sold
Lot Numbers: J833531, JX33532, JZ33533, A233534, A433535
Tosoh Bioscience Inc is recalling Tosoh Bioscience AIA- PACK HCG Calibrator Set-In Vitro Diagnostic for BHCG Part number 020361 The A due to Decreased stability for five (5) lots of Calibrator Sets and Calibration Verification Test Sets, resulting in a decrease measured concentration of HCG. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Decreased stability for five (5) lots of Calibrator Sets and Calibration Verification Test Sets, resulting in a decrease measured concentration of HCG up to 20%.
Recommended Action
Per FDA guidance
The firm, Tosoh Bioscience, issued an "URGENT: MEDICAL DEVICE RECALL" Letter dated August 7, 2020 via Fedex to its customers. The letter states reason for recall, health risk and action to taken: Check the lot numbers of the AIA - PACK HCG Calibrator Set and AIA-PACK HCG Calibration Verification Test Set against the lot numbers listed above. Lots not listed above are not within the scope of this recall and maybe used per AAM. Remove all affected AIA - PACK HCG Calibrator Sets and AIA - PACK HCG Calibration Verification Test Sets from your inventory. The products must be tallied including previously used sets of the affected lots and properly destroyed per your local procedures and regulations. For reimbursement of destroyed calibrator and linearity sets, please contact Technical Support. Reimbursement will be with same or similar products. Review the information in this notification with the Medical Director and/or Lab Director as soon as possible and review the content of this letter with your laboratory staff Complete and return the attached Acknowledgement Form to Tosoh Bioscience, Inc., within 15-days of receiving this notification via Fax: 1-650-636-8651 or Email: biorecallresponse@tosoh.com or by US Post Mail: Be sure to indicate destruction of affected product(s). Tosoh Bioscience Inc. 3600 Gantz Rd. Grove City, OH 4312. Maintain this notification with your laboratory records and forward this information to others in your laboratory. If you have obtained unexpected test results or received any complaints of illness or adverse events associated with the use of the analyzer, please contact Tosoh Technical Support 24 hours a day, seven days a week at (800) 248-6764. Should you have any questions regarding this medical device recall, please feel free to contact Bernadette OConnell at (800) 248-6764 or by email at bernadette.oconnell@tosoh.com. Monday - Friday, from 9:00 AM to 5:00 PM (PST).
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026