FDA Recall: Software Problem Causing Erroneous Results

Company: Siemens Healthcare Diagnostics Inc
Date of Enforcement Report: 12/20/2023
Class II


epoc NXS Host Blood Analysis System, Siemens Material Numbers 11413497 (EU), 11413475 (US), 11413506 (CA), 11413517 (MX), 11413518 (ROW), 11413498 (JP), 11413583 (CN, KR), 11413879 (IN) with software versions from 4.9.4 to the current version 4.11.11

Recall Number:



Siemens Healthcare Diagnostics Inc. has confirmed a potential issue that could occur under certain conditions, a software problem is causing erroneous results to be printed. When the results are run on the epoc NXS Host and Delete Blood Tests feature is enabled, the results that are generated at the time of testing are correct; however, when this issue occurs, results that are printed, saved and/or transferred to a data manager, may include unselected analytes that are from a previous patient or QC test. The worst possible outcome may result in a failure to diagnose hyperkalemia, due to an erroneous depressed potassium level or inappropriate treatment to hyperglycemia due to erroneous glucose reading.


Siemens Healthcare Diagnostics Inc


10,183 devices


US Nationwide. Global Distribution.

About the author

Allison joined SoftwareCPR in 2022, bringing along over ten years of passion for building teamwork and growth in organizations. This is established in part by the greatest University the South has to offer- Mississippi State.

SoftwareCPR Training Courses:

IEC 62304 and other emerging standards for Medical Device and HealthIT Software

Our flagship course for preparing regulatory, quality, engineering, operations, and others for the activities and documentation expected for IEC 62304 conformance and for FDA expectations. The goal is to educate on the intent and purpose so that the participants are able to make informed decisions in the future.  Focus is not simply what the standard says, but what is meant and discuss examples and approaches one might implement to comply.  Special deep discount pricing available to FDA attendees and other regulators.

3-days onsite with group exercises, quizzes, examples, Q&A.

Instructor: Brian Pate

Next public offering:  TBD

Email training@softwarecpr.com to request a special pre-registration discount.  Limited number of pre-registration coupons.

Registration Link:




Being Agile & Yet Compliant (Public or Private)

Our SoftwareCPR unique approach to incorporating agile and lean engineering to your medical device software process training course is now open for scheduling!

  • Agile principles that align well with medical
  • Backlog management
  • Agile risk management
  • Incremental and iterative software development lifecycle management
  •  Frequent release management
  • And more!

2-days onsite (4 days virtual) with group exercises, quizzes, examples, Q&A.

Instructors: Mike Russell, Ron Baerg

Next public offering: March 7 & 28, 2024

Virtual via Zoom

Registration Link:

Register Now



Medical Device Cybersecurity (Public or Private)

This course takes a deep dive into the US FDA expectations for cybersecurity activities in the product development process with central focus on the cybersecurity risk analysis process. Overall approach will be tied to relevant standards and FDA guidance documentation. The course will follow the ISO 14971:2019 framework for overall structure but utilize IEC 62304, IEC 81001-5-1, and AAMI TIR57 for specific details regarding cybersecurity planning, risk characterization, threat modeling, and control strategies.

2-days onsite with group exercises, quizzes, examples, Q&A.

Instructor: Dr Peter Rech, 2nd instructor (optional)

Next public offering:  TBD

Corporate Office

15148 Springview St.
Tampa, FL 33624
Partners located in the US (CA, FL, MA, MN, TX) and Canada.