Endotoxin Testing

Endotoxin testing is a critical quality control measure for any medical device that comes into direct or indirect contact with intravascular, intralymphatic, intrathecal, and/or intraocular systems. Bacterial endotoxins, derived from the outer membrane of Gram-negative bacteria, can trigger severe inflammatory responses, including fever, septic shock, and organ failure if introduced into the bloodstream or sensitive tissues.

Regulatory agencies worldwide, including the FDA (U.S.), EMA (EU), and NMPA (China), mandate endotoxin testing to ensure patient safety and compliance with Good Manufacturing Practices (GMP). For medical device manufacturers, conducting rigorous endotoxin testing is not only a regulatory requirement but also a crucial step in mitigating risks during product development, sterilization validation, and final release.

Our Service

At Meditronics (a brand of STEMart), we provide comprehensive endotoxin testing services in compliance with ISO 11737-3, United States Pharmacopeia (USP) chapters <85> and <161>, and ANSI/AAMI ST72:2019. Our experts select the most appropriate testing method based on your device's material, intended use, and regulatory requirements, ensuring accurate and reliable results.

Meditronics offers three validated endotoxin detection methods, each with distinct advantages depending on device compatibility and sensitivity requirements:

Why Choose Meditronics?

✔ Customized Testing Solutions to Overcome Challenges

We optimize testing protocols to prevent false positives/negatives and resolve Low Endotoxin Recovery (LER) through tailored extraction methods, interference masking, and advanced detection techniques.

✔ Broad Testing Capabilities for Diverse Medical Devices

Meditronics supports endotoxin testing for all device categories listed in ANSI/AAMI ST72 and USP <161>, including but not limited to:

• Solution administration sets, extension sets, transfer sets
• Blood administration sets, intravenous catheters, implants
• Extracorporeal oxygenator tubings and accessories
• Dialyzers, dialysis tubing, and accessories
• Heart valves, vascular grafts, intramuscular drug delivery catheters
• Transfusion and infusion assemblies

✔ Expert Data Interpretation & Regulatory Support

Our reports include clearly defined test criteria, ensuring endotoxin limits align with regulatory requirements. We also provide:

• Failure investigations to identify root causes of out-of-specification (OOS) results, including method suitability or sample interference issues.
• Comprehensive documentation for FDA 510(k), CE Marking, and MDR/IVDR submissions, with justification for acceptance criteria and testing protocols.

Meditronics's ISO 17025-accredited laboratories combine regulatory expertise, advanced methodologies, and tailored solutions to ensure your medical devices meet global safety standards. Whether you require routine batch release testing, method development, or investigative support, our team delivers fast, accurate, and defensible results.

Contact us today to discuss your endotoxin testing needs and request a quote. Let Meditronics be your trusted partner in medical device compliance and patient safety.