ISO 10993-13:2010

Overview

ISO 10993-13:2010 - Biological evaluation of medical devices - Part 13: Identification and quantification of degradation products from polymeric medical devices - defines requirements for generating, identifying and quantifying chemical degradation products from finished polymeric medical devices in a simulated environment. The standard describes two complementary test approaches: an accelerated degradation test for screening and a real‑time degradation test in a simulated environment when accelerated data are insufficient. ISO 10993-13:2010 applies primarily to non‑resorbable polymers and addresses chemical bond scission (hydrolytic and oxidative degradation), not mechanical wear, radiation or biologically mediated degradation (e.g., enzymes or cellular activity).

Key topics and technical requirements

• Test methods: Two methods are specified - accelerated screening tests and real‑time simulated‑environment tests. Accelerated testing can obviate the need for real‑time tests if no degradation is observed.
• Test solutions: Guidance for hydrolytic solutions (analytical‑grade water, buffers) and oxidative solutions (e.g., hydrogen peroxide, Fenton’s reagent) is provided; solution stability must be justified and reported.
• Sample preparation and reporting: Sample prep should follow ISO 10993-12 where applicable; test solutions, containers, apparatus and controls must be described and justified in the report.
• Analytical characterization: Initial material characterization is required; Annex A lists analytical methods (no single technique is mandated). The user must justify chosen methods.
• Mass measurement precision: Balance precision expectations are given (e.g., for materials intended to resorb, initial mass precision ~1% and final mass precision ~0.1%; for stable polymers, more stringent precision such as 0.1% initial and 0.01% final of total mass).
• Scope limits: Only chemical degradation products of the finished polymeric device are considered. Mechanical, electromagnetic or biologically driven degradation is excluded.
• Purpose: Data feed into biological evaluation (ISO 10993-1), allowable limits (ISO 10993-17) and toxicokinetic studies (ISO 10993-16).

Applications and practical value

• Supports safety/risk assessment and biocompatibility evaluation for polymeric medical devices by identifying potential leachables and degradation products.
• Useful for device manufacturers, materials scientists, analytical laboratories, regulatory affairs and quality assurance teams preparing preclinical dossiers or supporting regulatory submissions.
• Enables screening of new or modified polymers to prioritize follow‑up testing and inform toxicological risk assessments.

Who should use this standard

• Medical device manufacturers (polymer components)
• Test laboratories performing degradation and chemical characterization
• Biocompatibility assessors and toxicologists
• Regulatory and quality professionals preparing ISO 10993 conformity evidence

Related standards

• ISO 10993-1 (biological evaluation framework)
• ISO 10993-9 (framework for identification/quantification of potential degradation products)
• ISO 10993-12 (sample preparation)
• ISO 10993-16 and ISO 10993-17 (toxicokinetics and allowable limits)