SIST EN ISO 11138-1:2017 PDF

Overview

EN ISO 11138-1:2017 - Sterilization of health care products - Biological indicators - Part 1: General requirements - defines the general requirements for the manufacture, labelling, testing and performance of biological indicators (BIs) used to validate and monitor sterilization processes for healthcare products. Published by CEN as the European adoption of ISO 11138-1:2017, this part establishes the basic, common requirements that apply across all parts of ISO 11138. It does not cover microbiological test systems for processes that rely solely on physical removal (e.g., filtration), although some elements may be relevant.

Key topics and technical requirements

• Scope and applicability: General requirements for inoculated carriers, suspensions and BI components; applies where no specific ISO 11138 part exists for a process.
• Manufacturing controls: Quality management systems, personnel competence and traceability requirements for BI production.
• Test organisms and populations: Criteria for selection, originating inoculum, and test organism counts used in BIs.
• Packaging and carriers: Requirements for carriers, primary/secondary packaging, and how packaging affects BI resistance and access by sterilants.
• Performance characteristics: Determination of population, resistance characteristics, and reporting of D values (and z values where relevant); general resistance requirements and test conditions.
• Test methods and culture conditions: Viable count methods, incubation, growth media, and validation of detection systems and associated software.
• Labelling, storage and transport: Mandatory information manufacturers must supply and conditions for storage/transport to preserve BI integrity.
• Normative annexes: Procedures for viable count, growth inhibition testing, D value determination (survivor curve and fraction-negative methods), survival-kill response, and component relationships.

Applications and users

This standard is intended for:

• Manufacturers of biological indicators (inoculated carriers, suspensions, self-contained BIs).
• Sterilization validation teams and quality assurance professionals in medical device manufacturing, hospitals and sterilization service providers.
• Regulatory and compliance personnel who assess BI suitability for routine monitoring and process validation. Practical uses include selecting suitable BIs for ethylene oxide, moist heat, dry heat and other processes (specific process requirements are in ISO 11138 parts 2–5), performing BI resistance testing, and documenting traceability and labelling for audits.

Related standards

• ISO 11138 (series) - Parts 2–5 provide process-specific BI requirements (ethylene oxide, moist heat, dry heat, low-temperature steam/formaldehyde).
• ISO 14161 - Guidance on selection, use and interpretation of biological indicators for sterilization.

Keywords: EN ISO 11138-1:2017, biological indicators, sterilization validation, healthcare products, D value, traceability, BI labelling, sterilization monitoring.