Recall of Device Recall N Latex IgM

According to U.S. Food and Drug Administration, this recall involved a device in United States that was produced by Siemens Healthcare Diagnostics, Inc..

What is this?

A correction or removal action taken by a manufacturer to address a problem with a medical device. Recalls occur when a medical device is defective, when it could be a risk to health, or when it is both defective and a risk to health.

Learn more about the data here
  • Type of Event
  • Event ID
  • Event Risk Class
    Class 3
  • Event Number
  • Event Initiated Date
  • Event Date Posted
  • Event Status
  • Event Country
  • Event Terminated Date
  • Event Source
  • Event Source URL
  • Notes / Alerts
    U.S. data is current through June 2018. All of the data comes from the U.S. Food and Drug Administration, except for the category Manufacturer Parent Company.
    The Parent Company was added by ICIJ.
    The parent company information is based on 2017 public records.
  • Extra notes in the data
    Method, nephelometric, immunoglobulins (g, a, m) - Product Code CFN
  • Reason
    Complaints have been confirmed on failed proficiency testing due to serum samples recovering too low when using some n latex igm reagent kit lots 44018, 44019 and 44042.
  • Action
    The firm, Siemens, sent an "Urgent Medical Device Recall" letter dated January 2015 to its customers on January 13, 2015. The letter described the product, problem and actions to be taken. The customers were instructed to do the following: Discontinue use of the affected lots and discard any remaining material; Identify if IgM quotient was overestimated due to falsely low IgM results with serum sample; Reconsider patient diagnosis taking other patient data into consideration.; When other patient data does not support the result for an intrathecal IgM synthesis or inflammation, re-measurement of samples may be considered using and alternative lot. In addition, Siemens requested customers to review this letter with their Medical Director; to complete and return the attached Effectiveness Check/Product Replacement form via fax to Customer Care Center at (312) 275-7795; retain this letter with your laboratory records, and forward this letter to those who may have received this product. If you have any questions, please contact your Siemens Customer Care Center 800-441-9250 or email: or your local Siemens technical support representative.


  • Model / Serial
    Catalog # OQAC11, lots 44018, 44019 and 44042, expiration 4/3/2015
  • Product Classification
  • Device Class
  • Implanted device?
  • Distribution
    Worldwide Distribution: US distribution in states of: UT , CO, CA , FL , NY , OH , NC and country of : Canada.
  • Product Description
    N Latex IgM; In-vitro diagnostic reagent for the quantitative determination of IgM in human cerebrospinal fluid (CSF) and in paired CSF/serum samples by means of particle-enhanced immunonephelometry using the BN II and BN ProSpec Systems. The determination of IgM aids in the evaluation of the patient's immune system.
  • Manufacturer


  • Manufacturer Address
    Siemens Healthcare Diagnostics, Inc., 500 Gbc Dr Ms 514, PO BOX 6101, Newark DE 19702-2466
  • Manufacturer Parent Company (2017)
  • Source